References - Final EIS

References for the final Rosemont EIS

December 1, 2013

This biological evaluation analyzes the potential impacts to U.S. Forest Service (Forest Service) and Bureau of Land Management (BLM) Sensitive wildlife and plant species from the proposed...

This report identifies plant and animal taxa of conservation concern that potentially occur in the vicinity of the proposed Rosemont Copper Mine in the Santa Rita Mountains and the potential...

This report is an analysis of the effects of the proposed Rosemont Copper Project (project) on U.S. Forest Service (Forest Service)...

This is one of several documents disclosing the potential effects of the proposed Rosemont Copper Project (project) on plants and animals of conservation concern. Although the proposed project and...

October 30, 2013

The Preliminary Administrative FEIS was distributed to the cooperating agencies on July 1, 2013 for review and comment. A comment period of 30 days was allowed, but was later extended to August 15...

Public comments were received on the Preliminary Administrative FEIS that was distributed to the cooperating agencies on July 1, 2013, concerning the analysis of impacts to riparian areas and...

September 25, 2013

The purpose of this Rosemont Copper Mine sky brightness monitoring plan is to outline a selected approach to long term monitoring the sky brightness at telescopic sites at or near the summit of Mt...

September 16, 2013

Saguaro National Park is located in the scenic southwest Sonoran Desert. Visitors from around the world are drawn to the park’s iconic southwestern...

On October 21-22, 2011, Saguaro National Park became the fifth park to host the annual BioBlitz. Starting in 2006 and continuing until the 100th Anniversary of the National Park Service in 2016,...

September 9, 2013

We, the U.S. Fish and Wildlife Service (Service), announce a 90-day finding on a petition to delist the Eriogonum gypsophilum (

September 3, 2013

August 30, 2013

Public comments were received on the Draft EIS, as well as on the Preliminary Administrative FEIS that was distributed to the cooperating agencies on July 1, 2013, concerning various aspects of...

August 29, 2013

Public comments were received on the Preliminary Administrative FEIS that was distributed to the cooperating agencies on July 1, 2013, concerning the analysis of impacts to riparian areas and...

August 25, 2013

A Preliminary Administrative FEIS was distributed to the cooperating agencies on July 1, 2013. Comments were received from both U.S. Environmental Protection Agency (USEPA) and the Arizona...

August 23, 2013

Public comments were received on the Draft EIS, as well as on the Preliminary Administrative FEIS that was distributed to the cooperating agencies on July 1, 2013, concerning the use of the 200-...

July 1, 2013

We, the U.S. Fish and Wildlife Service (Service), announce the reopening of the public comment period on the August 20, 2012, proposed designation of critical...

We, the U.S. Fish and Wildlife Service (Service), propose to list the northern Mexican gartersnake (Thamnophis eques megalops) and narrow-headed gartersnake (Thamnophis rufipunctatus...

This Stormwater Pollution Prevention Plan (SWPPP) is for the Rosemont Copper Project (Project) mining operation and covers exploration, construction, operational, and...

June 27, 2013

The purpose of this paper is to summarize information from the scientific literature regarding the potential effects of ammonia on the environment, in particular on aquatic life near Bristol Bay,...

June 26, 2013

The purpose of this memo is to estimate the approximate amount of explosive residue that may be present at the site, to roughly estimate the concentrations that could occur in stormwater...

June 22, 2013

The purpose of this memo is to summarize the process followed by the Coronado National Forest (Coronado) in order to investigate and attempt to incorporate elements of geomorphic...

June 10, 2013

June 4, 2013

The purpose of this memo is to provide details of deposition data that were provided by the Forest Service to SWCA for use to describe Existing Conditions in the Air Quality and Climate Change...

May 25, 2013

This report presents the results of our pavement design for the proposed improvements to SR 83, roughly between Mile Post 46.64 and Mile Post 47.13 in Pima County, Arizona, for the design and...

May 17, 2013

May 16, 2013

An adult male jaguar and an adult male ocelot have been photographed in two separate southern Arizona mountain ranges by automated wildlife monitoring cameras. The images were collected as part of...

May 13, 2013

This chapter discusses potential positive and negative environmental, social, and economic impacts of utility-scale solar energy development. The types of solar technologies evaluated include...

May 12, 2013

The purpose of this memo is to document the calculation of the amount of woody material available for disposal from the project site, the amount that can be used for...

May 10, 2013

The historic native state includes the native plant communities that occur on the site, including the historic climax plant community. This state includes other plant communities that naturally...

Noise standards for wind turbines developed by countries such as Sweden and New Zealand and some specific site level standards implemented in the U.S. focus primarily on sleep disturbance and...

May 9, 2013

Title 16, Chapter 16.54, of the Pima County Code: "Watercourse and Riparian...

May 3, 2013

The Clean Air Act, which was last amended in 1990, requires EPA to set...

Method Summary

The building construction dust source category provides estimates of the ...

April 25, 2013

Range Map--Abert's Towhee

Range Map--Broad-billed Hummingbird

Range Map--Common Black-Hawk

Range Map--Grasshopper Sparrow

Range Map--Northern Beardless-Tyrannulet

Range Map--Whiskered Screech-Owl

Range Map--Yellow-billed Cuckoo

April 22, 2013

Beardless chinch weed is an erect, many-branched, perennial herb growing 3 to 12 decimeters (dm) (12 to 47 inches (in)) from a woody caudex (stem base). The glabrous (hairless) leaves are 1 to 5...

April 19, 2013

Subsequent to providing AERMOD modeling data to the Coronado National Forest for the Final...

Rosemont Copper Company (the Applicant) proposes to develop an open pit copper mine known as the Rosemont Copper Project (Project). Because portions of the Project occur on lands managed by the U....

April 10, 2013

This provides a PDF copy of the Traffic Engineering Policies, Guidelines and Procedures (PGP). The...

April 5, 2013

The purpose of this memo is to estimate the amount and phasing of stormwater reductions during operations of the mine. All surface water modeling conducted by Rosemont has been for post-closure...

March 28, 2013

We, the U.S. Fish and Wildlife Service (Service), announce a 12-month finding on a petition to list the Rosemont talussnail as endangered or threatened and to designate critical...

March 27, 2013

The climate of the Southwest is changing. Over the last century, the average annual temperature has increased about 1.5°F. Average annual temperature is projected to rise an additional 2.5-8...

The design of pavements and bridges on the Interstate System largely followed the results of the American Association of State Highway Officials (AASHO) Road Test.

March 26, 2013

Subsequent to providing CALPUFF modeling data to the Coronado National Forest for the Final...

March 22, 2013

As part of the ongoing baseline survey being funded by Rosemont Copper Company for their Rosemont Project, WestLand Resources, Inc. (WestLand) surveyed 21 abandoned mine features within the...

March 1, 2013

The environmental review process initiated with the passage of the 1966 National Historic Preservation Act (NHPA) (P.L. 89-665; 80 Stat. 915; 16 U.S.C. 470) by Congress ushered in a new approach...

February 8, 2013

Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Refer to...

February 1, 2013

Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Refer to...

Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Refer to...

The Coronado National Forest (CNF) submitted a Biological Assessment in June 2012 (June BA) and a Supplementary BA in October 2012 (October SBA) to US Fish and Wildlife Service (FWS) for Section 7...

January 28, 2013

With the expansion of human habitation near and within natural habitats, fragile ecosystems are increasingly exposed to artificial night lighting. Amphibians (particularly frogs and salamanders)...

January 26, 2013

Longwall roof-collapses and non-planned mining-associated rockbursts and mine collapses have usually have been reported in regular USGS/NEIC earthquake catalogs if their magnitudes were of a size...

January 23, 2013

The proposed Rosemont Copper Project (Project) is a new copper project consisting of an open pit mine and associated processing facilities. The Project will be located in the Santa Rita Mountains...

January 16, 2013

WestLand Resources, Inc. (WestLand), was retained by Rosemont Copper Company to prepare a Biological Evaluation (BE) for a proposed reroute of the Arizona Trail (the Project). The Project will...

The present direction for assessing and monitoring soil quality for National Forest System Lands at the National and Regional levels is currently undergoing review for the purpose of incorporating...

January 14, 2013

January 11, 2013

This Technical Memorandum was prepared in response to an October 18, 2012 meeting between Rosemont Copper Company, the Coronado National Forest (Forest), and various other government agencies and...

January 3, 2013

January 1, 2013

Buffelgrass is a non-indigenous, invasive, C4 grass was introduced throughout much of southern Texas, the Southwestern United States, and northern and central Mexico to improve degraded...

This report summarizes monitoring activities conducted during 2012 for Contract No. 12PC32007, Monitoring of Gila River Basin Waters. Monitoring activities were conducted on a subset of streams...

December 27, 2012

The purpose of this memo is to document and summarize the references received from cooperating agencies, including Pima County, USGS, USFWS, AGRD, and USEPA for use in the analysis in the Seeps,...

December 26, 2012

The purpose of this memo is to document hydrographs reviewed for several wells located along...

The purpose of this memo is to document the method used to estimate post-mine flow in Davidson Canyon at the confluence with...

December 21, 2012

WestLand Resources, Inc. (WestLand) was retained by Rosemont Copper Company (Rosemont) to prepare a series of technical memorandums for the Rosemont Copper Project (Project) that detail...

December 20, 2012

Traffic analyses were performed for the Rosemont Copper Project (Project) for two separate mine alternatives. The two alternatives included the...

December 18, 2012

December 7, 2012

WestLand Resources, Inc. (WestLand) was retained by Rosemont Copper Company (Rosemont) to prepare a series of technical memorandums to supplement the Biological Assessment for the Rosemont Copper...

December 6, 2012

December 5, 2012

The proposed Rosemont Copper Project (Project) is a new copper project consisting of an open pit copper mine and associated processing facilities. The Project will be located in the Santa Rita...

December 4, 2012

The proposed Rosemont Copper Project (Project) is a new copper project consisting of an open pit copper mine and associated processing facilities that will be located in the Santa Rita Mountains...

December 1, 2012

This document, "CALPUFF Modeling Protocol to Assess...

Spanning parts of the seven states of Arizona, California, Colorado, New Mexico, Nevada, Utah, and Wyoming (Basin States), the Colorado River Basin (Basin) is one of the most critical sources of...

November 26, 2012

Rosemont Copper Company (Rosemont) submitted a letter to the Coronado National Forest (Coronado) stating that the company is removing the ...

November 12, 2012

This document presents proposed conservation measures developed by Rosemont Copper Company (Rosemont) to address potential impacts of the proposed Rosemont Copper Project on water features in the...

November 1, 2012

This study presents results from computer calculations of the sky brightness due to proposed operations in the Rosemont Copper Mine (RCM) when viewed from six observation points, three of which...

Pima County is now finalizing the long-awaited Multi-species Conservation Plan (MSCP), which, if approved by the U.S. Fish and Wildlife Service, will streamline public-sector and private-sector...

October 11, 2012

The purpose of this memo is to document that all springs and stock tanks shown on Forest Service (FS)...

October 1, 2012

This document was prepared to address new information obtained after the Biological Assessment (BA) for the proposed Rosemont Copper Project was submitted to the U.S. Fish and Wildlife Service (...

September 29, 2012

Medium - sized [ 76 - 104 cm (30 - 41 in), 6.8 - 19 kg (15 - 40 lb) ] , spotted cat. Females are smaller than males. The upper surface (back) is grayish to cinnamon and paler on the sides;...

September 26, 2012

September 21, 2012

This Technical Memorandum was prepared by Tetra Tech and presents a Noise Analysis for the Barrel Trail Alternative being considered in the U.S. Forest Service...

In semiarid climates, a

September 19, 2012

For the safety and benefit of the traveling public and adjoining users, ADOT and Rosemont Copper have agreed to participate in the design, construction, and maintenance of roadway improvements on...

Rosemont Copper submitted an encroachment permit application to ADOT Tucson District on December 23, 2011 requesting access to SR 83 at approximately mile post 46.8. On July 9, 2012, Rosemont...

September 13, 2012

WestLand Resources, Inc. (WestLand) was retained by Rosemont Copper Company to conduct surveys for Hexalectris colemanii, Coleman’s coralroot; and H. arizonica, Arizona crested...

September 12, 2012

WestLand Resources, Inc. (WestLand) was retained by Rosemont Copper Company (Rosemont) to document the characteristics of habitats occupied by Hexalectris colemanii and H. arizonica...

WestLand Resources, Inc. (WestLand) was retained by Rosemont Copper Company to conduct surveys for Coleman’s coralroot (Hexalectris colemanii) and Arizona crested coralroot (...

September 1, 2012

In 1993 the U.S. Fish and Wildlife Service (FWS) listed the Mexican spotted owl (Strix occidentalis lucida; “owl”) as threatened under the...

Native plant communities are key to ecosystem health, resiliency, and productivity. Since its creation, the Forest Service has been using native plants in reforestation,...

August 31, 2012

WestLand Resources, Inc. (WestLand) conducted surveys in 2011 for four Coronado National Forest sensitive plant species in the Rosemont Project Area and in additional locations outside the...

August 29, 2012

The National Emissions Inventory (NEI) is a comprehensive and detailed estimate of air emissions of both Criteria and Hazardous air pollutants from all air emissions sources. The NEI is prepared...

August 20, 2012

We, the U.S. Fish and Wildlife Service (Service), propose to designate critical...

August 12, 2012

The Abert's towhee is a large sparrow with gray-brown upper parts and pinkishbrown underparts. The face is dark brown with a light bill. Unlike many birds, the plumage between the sexes is...

August 8, 2012

We, the U.S. Fish and Wildlife Service (Service), announce a 90-day finding on a petition to list Graptopetalum bartramii (Bartram stonecrop) and Pectis imberbis (beardless...

The purpose of this memo is to provide professional opinions on three miscellaneous public comments that were submitted to CNF during the public comment period for the Draft...

The purpose of this memo is to provide professional opinions on action items generated during a specialist panel discussion with CNF held May 3, 2012 related to surface water located at some...

July 28, 2012

With one of the smallest total distributions of any U.S. birds species, the Abert's Towhee is much sought after by birders who must travel to the desert Southwest to observe it. The greatest...

July 24, 2012

We, the U.S. Fish and Wildlife Service (Service), announce a 90-day finding on a petition to list the Sonoran talussnail (Sonorella magdalenensis) as endangered or threatened under the...

Denver, CO, July 24, 2012 – Augusta Resource Corporation (TSX/NYSE MKT: AZC) (“Augusta” or “the Company”) announces an updated mineral reserve estimate and results...

The Sonoran talussnail is a relatively large pulmonate (contains functional lungs) terrestrial snail with an average shell diameter of 19 millimeters (mm) (0.74 inches (in)). Species of the ...

July 18, 2012

Barrel Creek is an ephemeral arroyo located about 25 miles southwest of Tucson (Figure 1). Historic downcutting is evidenced by relatively high banks that are near vertical. This cross-sectional...

SRK reviewed Montgomery & Associates (M&A) and Tetra Tech (TT) groundwater modeling Technical Memoranda and draft and final reports, met at various times with the M&A modeling staff,...

This memorandum provides a technical response to concerns and questions by the U.S. Environmental Protection Agency (EPA) in their detailed agency review of the Draft...

This memorandum provides a technical response to concerns and questions by the Coronado National Forest (CNF) and compiled in SWCA memorandum Request for Professional Opinion on Specific...

The Rosemont Copper Project is located in the northern portion of the Santa Rita Mountains, located in arid Southeast Arizona. This area is located within the basin-­‐range complex composed of...

July 11, 2012

This Technical Memorandum updates and supersedes previous summaries of Tetra Tech’s findings related to predicted baseline (pre) and post-mining regulatory (100-year) hydrology, average-...

This memorandum provides the results of surveys for the spring features identified as potentially occurring in the Analysis Area. The objectives of the survey were to:

  1. Map springs...

July 10, 2012

The purpose of this letter is to provide additional information concerning possible modifications to the Barrel (Preferred) Alternative. In short, Rosemont has determined that although the Barrel...

July 9, 2012

As a component of Rosemont’s overall environmental stewardship vision for the Rosemont Copper Project, this Preliminary...

July 6, 2012

Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Refer to...

WestLand Resources, Inc. (WestLand) is pleased to provide the attached Environmental Certification on behalf of Rosemont Copper Company (the Applicant) in support of the Arizona Department of...

July 1, 2012

The Rosemont Copper Preliminary Invasive Species Management Plan (Plan) was created to minimize, reduce, or eliminate the potential for introduction, establishment, spread and...

This report develops the key site water management structures planned for the Rosemont Copper Project designed to protect the environment and Project facilities. This preliminary site water...

Tetra Tech completed a soil resource assessment within the vicinity of the proposed Rosemont Copper Project (Project) in Pima County, Arizona for the Rosemont Copper Company (Rosemont). The soil...

June 29, 2012

This technical memorandum responds to the May 3, 2012, Coronado National Forest (Forest) request for additional information on the Rosemont Project groundwater flow models. Groundwater flow models...

June 25, 2012

Engineering Analytics Inc. has prepared this Technical Memorandum to present a conceptual design for a riser pipe that will allow Rosemont to install a pump back system to remove treated water...

June 18, 2012

The Rosemont Copper Project (Project) site lies within an area of concern relative to the effects of light pollution. Because the Project will operate around the clock, additional light pollution...

June 5, 2012

We conducted histological analyses on museum specimens collected 1975-1999 from 10 sites in Arizona and Sonora to test for the pathogenic chytrid fungus (Batrachochytrium dendrobatidis)...

The last wild Tarahumara frog (Rana tarahumarae) in Arizona was found dead in Big Casa Blanca Canyon, Santa Rita Mountains, in May 1983. However, the species is still well represented in...

June 4, 2012

The proposed action that was originally consulted upon in 2002 was a ten-year grazing permit for the Little Green Valley Complex, set to expire in 2012. This consultation was reinitiated in 2004...

June 1, 2012

Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Refer to...

Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Refer to...

EXECUTIVE SUMMARY

The U.S. Forest Service (Forest Service) is requesting to initiate formal consultation with the U.S. Fish and Wildlife Service (USFWS), pursuant to Section 7(a)(2) of...

Natural climate variability is a prominent factor that affects many aspects of life, livelihoods, landscapes, and decision-making across the Southwestern U.S. (Arizona, California, Colorado,...

The Rosemont Primary Access Road Intersection Project Traffic ...

The Rosemont Copper Project (Project) is a proposed open pit mine located in Pima County, Arizona with an operational life of 20 to 25 years. This Project will require the construction of four (4...

This Integrated ...

May 23, 2012

The National Visitor Use Monitoring (NVUM) program provides reliable information about recreation visitors to national forest system managed lands at the national, regional, and forest level....

May 20, 2012

The purpose of this document is to summarize a 20 Year Light at Night Monitoring Plan to determine changes in sky brightness and local lighting levels that will evolve as the Project construction...

May 16, 2012

The State of Arizona ranks among the highest for its biological diversity – third in the nation for the number of native bird species, second for reptiles, fifth for mammals, eighth for...

May 14, 2012

In the northern Santa Rita Mountains, Pima County, Arizona, there are three named species of the helminthoglyptid landsnail Sonorella Pilsbry, 1900: Sonorella magdalenensis (...

May 13, 2012

Dust emissions may be generated by wind erosion of open aggregate storage piles and exposed areas within an industrial facility. These sources typically are characterized by nonhomogeneous...

May 4, 2012

April 27, 2012

Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Refer to...

This document, “AERMOD Modeling Protocol to Assess...

April 10, 2012

At the request of the Coronado National Forest (the Coronado), SWCA Environmental Consultants (SWCA) accompanied Mark Flint during field checking of the preliminary Arizona Trail realignment...

March 30, 2012

The purpose of this Davidson Canyon Conceptual Groundwater Monitoring Plan (Plan) is to recommend additional monitoring locations and data collection that can be used to assist in predicting and...

March 20, 2012

March 19, 2012

On Tuesday, November 15, 2011, Rosemont Copper Company (RCC) submitted to the Arizona Department of Environmental Quality (ADEQ) a Class II Permit Application entitled “Application for a...

March 15, 2012

On November 1, 2010, the U.S. Army Corps of Engineers (Corps) approved a preliminary jurisdictional determination (JD) of potential

March 13, 2012

On November 1, 2010 the U.S. Army Corps of Engineers (Corps) approved a preliminary jurisdictional determination (JD) of potential

This report is a revised addendum to the report “State-Protected Plant and ...

March 1, 2012

This plan is designed to supply data required to detect potential impacts from Project development on springs and on regional streams in and downstream of the Project area, particularly the reach...

This report summarizes key trends in carbon dioxide (CO2) emissions, fuel economy, and CO2- and fuel economy-related technology for gasoline- and diesel-fueled personal vehicles sold in the United...

February 3, 2012

The Rosemont Holdings encompass patented and unpatented claims and fee lands within privately owned, USDA Forest Service, and Bureau of Land Management lands on the northeast side of the Santa...

January 24, 2012

The Rosemont Copper Project (Project) site lies within an area of concern relative to the effects of light pollution. Because the Project will operate around the clock, additional light pollution...

January 13, 2012

January 1, 2012

Wine, copper, and mountains, move over! Add astronomy to the things that Chile is known for and that make up its cultural identity. The country has been home to international telescopes for nearly...

We, the U.S. Fish and Wildlife Service (Service), have received an application from Pima County and the Pima County Regional Flood Control District (applicants) for an incidental take permit (ITP...

Four decades after the passage of the US Clean Air Act, air-quality standards are set to protect ecosystems from damage caused by gas-phase nitrogen (N) and sulfur (S) compounds, but not from the...

Sound is abundant in the environment, often creating ‘‘noise’’ that interferes with animal communication. Animals cope with acoustic interference in a variety of ways,...

Noise pollution is a novel, widespread environmental force that has recently been shown to alter the behavior and distribution of birds and other vertebrates, yet whether noise has cumulative,...

The continued growth of the human-built environment in Pima County, Arizona will result in the “incidental take” of species that are listed under the...

The Santa Rita Mountains are a small, rugged mountain range in the Basin and Range ...

The Forest Service has released the first national ...

December 23, 2011

Rosemont Copper Company (Rosemont) proposes to develop an open-pit copper mine with associated processing facilities and waste disposal sites within the Rosemont Holdings, which encompass patented...

December 20, 2011

In response to public comments regarding the estimated economic impacts displayed in the Rosemont Copper Mine DEIS (which came from a study conducted by Applied Economics (AE)), the US Forest...

November 15, 2011

The RCP has the potential to emit the following regulated air pollutants throughout the life of the mine: (a) total suspended...

October 31, 2011

This report is an addendum to the report “Pima Pineapple Cactus Survey: Proposed Rosemont Project Santa Rita Road Alignment,” dated December 18, 2009, produced by WestLand...

This report is an addendum to the report “Saguaro and Agave Survey: Proposed Rosemont Project Santa Rita Road Alignment,” dated February 3, 2010, that WestLand Resources, Inc...

October 28, 2011

WestLand Resources, Inc. (WestLand) biologists made 10 field visits and inspected a total of 33 mines in 2011 to investigate the level of bat use within the Rosemont Mine project area and adjacent...

October 27, 2011

Rosemont Copper Company (Rosemont) has authorized WestLand Resources, Inc. (WestLand) to conduct a variety of baseline biological studies within the Rosemont Holdings. Pursuant to that effort,...

October 26, 2011

Rosemont Copper Company (Rosemont) proposes to develop an open-pit copper mine with associated processing facilities and waste disposal sites within the Rosemont Holdings, which encompass patented...

October 7, 2011

This report is an addendum to the report “Pima Pineapple Cactus Survey: Proposed Rosemont Project Santa Rita Road Alignment”, dated December 18, 2009, produced by WestLand...

September 7, 2011

September 1, 2011

The Rosemont Holdings encompass patented and unpatented claims and fee lands within privately owned, USDA Forest Service, and Bureau of Land Management lands on the northeast side of the Santa...

August 31, 2011

August 28, 2011

The 2006 Pima Coun ty Outdoor Lighting Code is the Code in effect regulating the amount of light permitted outdoors within the City of Tucson and Pima County. The Code describes several Lighting...

August 26, 2011

August 18, 2011

WestLand Resources, Inc. (WestLand) was retained by Rosemont Copper Company (Rosemont) to conduct baseline biological studies in support of their effort to obtain licensing for mining operations...

August 17, 2011

The purpose of this memorandum is to provide characterization of the nature and extent of offsite riparian resources that might be affected by the proposed Rosemont Copper Mine. The study area...

August 1, 2011

This report presents the results of the paleontological assessment and supporting field survey completed for the Rosemont Copper Project (project) in support of the project’s Draft...

July 12, 2011

2 This report summarizes fish sampling in behalf of a long ‐ term monitoring plan for fish populations in selected waters of the Gila River basin, Arizona, during sample year (SY) 2010 (period...

July 11, 2011

This Technical Memorandum provides a summary of Tetra Tech’s findings related to predicted regulatory (100-year) hydrology and average-annual...

July 1, 2011

Pima County Department of Environmental Quality monitors ambient (outdoor) air pollutants throughout eastern Pima County, including the Tucson metropolitan area and Green Valley. There are six...

The U.S. Department of Agriculture (USDA) Strategic Plan for fiscal year (FY) 2010–2015 targets the restoration of...

June 29, 2011

U.S. population endangered (62 FR 39147; July 22, 1997) without critical...

June 16, 2011

June 1, 2011

A paleontological survey was completed for the proposed Rosemont Copper Project area on the Coronado National Forest in March 2011, with the assistance of CNO Paleontologist Mike Fracasso, Santa...

Using mist-netting and observational surveys in southeastern Arizona, we documented use of...

May 31, 2011

The proposed Rosemont Copper Company (Rosemont) operation will require approximately 3,800 gallons per minute (gpm) (6,132...

Rosemont Mine (the Mine) and TetraTech provided extensive feedback to our previous review comments. One of the most important aspects that were highlighted in the response is that the Mine is...

May 25, 2011

May 18, 2011

Rosemont Copper Company (Rosemont) received review comments on both the Montgomery & Associates (M&A) and Tetra Tech groundwater flow models in a letter titled “Groundwater Modeling...

May 7, 2011

Particulate emissions occur whenever vehicles travel over a paved surface such as a road or parking lot. Particulate emissions from paved roads are due to direct emissions from vehicles in the...

May 6, 2011

Rosemont Copper Company (Rosemont) received review comments on both the Montgomery & Associates (M&A) and Tetra Tech groundwater flow models in a letter titled “Groundwater Modeling...

May 1, 2011

The following describes the Coronado National Forest’s (the Coronado’s) alternatives development process for the proposed Rosemont Copper Project (the project), in particular, those...

Human activity in the last century has led to a substantial increase in nitrogen (N) emissions and deposition. This N deposition has reached a level that has caused or is likely to cause...

Invasive species have been directly linked to the replacement of dominant native species (Tilman 1999), the loss of rare species (King 1985), changes in ecosystem structure, alteration of nutrient...

Human activity in the last century has led to a substantial increase in nitrogen (N) emissions and deposition. This N deposition has reached a level that has caused or is likely to cause...

April 14, 2011

A technical review has been undertaken and this Technical Memorandum prepared at the request of SWCA and the Coronado National Forest, in accordance with a request for a Statement of Work dated...

March 15, 2011

We, the U.S. Fish and Wildlife Service (Service), propose to designate critical...

February 14, 2011

A technical review has been undertaken and this Technical Memorandum prepared at the request of SWCA and the Coronado National Forest, in accordance with a request for a Statement of Work dated...

February 1, 2011

Archaeological resources are protected under National Historic Preservation Act Section 304 and Archaeological Resources Protection Act Section 9.

January 25, 2011

 
This tech memo was prepared in response to additional comments received by RCC in a letter from ADEQ.

January 24, 2011

January 21, 2011

January 19, 2011

Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Refer to...

January 13, 2011

This memorandum provides a technical review of the full version of the report Regional Groundwater Flow Model Rosemont Copper Project (Tetra Tech, 2010i) dated November 2010. This review was...

January 10, 2011

WestLand was retained by Rosemont to evaluate and respond to what we understood to be a determination made by the CNF that the Rosemont Copper Project "may affect, likely to adversely affect...

January 1, 2011

This study presents results from computer calculati ons of the sky brightness due to proposed operations in the Rosemont Copper Mine (RCM) when v iewed from six observation points, three of which...

This review considers both new and previously existing information from the recent Chiricahua Leopard Frog Recovery Plan (USFWS 2007), publications and reports produced since the recovery plan was...

Applied Economics was retained by Tucson Regional Economic Opportunities (TREO) to perform an economic...

We, the U.S. Fish and Wildlife Service (Service), announce a 12-month finding on a petition to list Amoreuxia gonzalezii (Santa Rita yellowshow), Astragalus hypoxylus (Huachuca...

We, the U.S. Fish and Wildlife Service (Service), propose to revise critical...

Air pollution recieves one of the prime concern in India, primarily due to rapid economic growth, industrialization and urbanization with associated increase in energy demands. Lacks of...

Noise pollution from human traffic networks and industrial activity impacts vast areas of our planet. While anthropogenic noise effects on animal communication are well documented, we have very...

Anurans and birds rely on sound for a number of social behaviors. Species that use roadside habitats are exposed to traffic noise that can mask important social signals and directly affect the...

Activity patterns of top predators are adapted for efficient predation, whereas their prey must contend with the conflicting demands of acquiring resources and avoiding predators. Here we analyse...

Two types of animal-vehicle collision (AVC) data are commonly adopted for AVC-related risk analysis research: reported AVC data and carcass removal data. One...

Seeps and springs (hereafter referred to as springs) occupy a very small land area in the arid southwest, yet they are vital resources for many plant and animal species. Despite their limited...

New absolute spectrophotometry of the Kitt Peak night sky has been obtained in 2009–2010, which we compare to previously published data obtained in 1988 and 1999, allowing us to look for...

A total of 453 journal articles, reports, books, and book chapters addressing threats to riparian ecosystems in western North America were analyzed to identify, quantify, and qualify the major...

December 16, 2010

December 14, 2010

The Patagonia-Sonoita Scenic Road was designated by the Arizona Department of Transportati on on September 20, 1985. The road travels through the Santa Cruz River Basin and has semi-arid valleys...

December 8, 2010

The continued growth of the human-built environment in Pima County, Arizona will result in the "incidental take" of species that are currently-or have the potential to be-listed under...

November 29, 2010

November 23, 2010

November 12, 2010

This addendum includes additional explanation and analysis for the groundwater flow model used to simulate impacts of water supply pumping for the Rosemont mine as part of an EIS.

In this memorandum, WestLand analyzes the distribution of the seven species considered and present results of extensive field surveys of five of the species. The seven species considered in this...

November 3, 2010

November 1, 2010

This report presents an update to the February 2010 Geochemical...

This report presents the results of a regional groundwater flow model developed for the Rosemont project. This geologically based, numerical flow model predicts the formation of a pit-lake within...

This report presents an update to the June 2007 Survey of Salvage Topsoil Resources. The original survey area was expanded from the Mine Plan of Operations...

October 22, 2010

This memorandum provides a technical review of the full version of the Montgomery & Associates (M&A) report, Revised Groundwater Flow Modeling Conducted for Simulation of Proposed Rosemont...

October 5, 2010

September 15, 2010

In July 2007, Rosemont Copper Company (Rosemont) submitted a...

September 10, 2010

The plant communities found on an ecological site are naturally variable. Composition and production will vary with yearly conditions, location, aspect, and the natural variability of the soils....

This tech memo presents a Stormwater Assesment for the Expanded Barrel Only Alternative being considered in the US Forest Service EIS for the proposed Rosemont Copper Project.

September 3, 2010

September 1, 2010

Archaeological resources are protected under National Historic Preservation Act Section 304 and Archaeological Resources Protection Act Section 9.

This study presents results from computer calculations of the sky brightness due to proposed operations in the Rosemont Copper Mine (RCM) when viewed from six observation points, three of which...

August 30, 2010

The groundwater flow model was designed to simulate conditions prior to pit development, during pit dewatering...

August 13, 2010

WestLand Resources, Inc. (WestLand), was retained by Rosemont Copper Company to survey for Pima pineapple cactus (PPC; Coryphantha scheeri var. robustispina) along the southern utility line...

August 2, 2010

August 1, 2010

This report presents the results of the infiltration and ...

July 29, 2010

This report summarizes fish sampling in behalf of a long‐term monitoring plan for fish populations in selected waters of the Gila River basin, Arizona, during sample year (SY) 2009 (period July 7...

July 26, 2010

Rosemont Copper Company (Rosemont) is planning the development of an open pit mining and mineral processing operation known as the Rosemont Copper Project (Project) on the east side of the Santa...

July 22, 2010

This document revises the 1987 list of migratory nongame birds that are thought to be of managem concern. These species are of concern because of (1) documented or apparent population declinef. (2...

July 9, 2010

Rosemont Copper Company (Rosemont) is planning the development of an open pit mining and mineral processing operation known as the Rosemont Copper Project (Project) on the east side of the Santa...

July 3, 2010

This Tech Memo provides an update on the status of the sensitivity analyses performed to date on the groundwater flow models prepared by Tetra Tech for the proposed Rosemont Copper Project (...

July 1, 2010

In 2006, the voters of Pima County took a bold step toward meeting our regional transportation needs with the adoption of a 20-year Regional Transportation Authority Plan (RTA) and a half-cent...

A description of the hydrologic dynamics and key physical processess that are governing groundwater-surface water interactions in Davidson Canyon which includes a discussion on springs and their...

May 19, 2010

This Landform Design Study was performed at the request of the CNF & SWCA to develop an alternative to the design of certain mine waste rock...

May 18, 2010

Interagency Federal fire policy requires that every area with burnable vegetation must have a Fire Management Plan (FMP). This FMP provides information concerning the fire process for the Coronado...

May 10, 2010

This memo documents my decision regarding the alternatives to be considered in detail in the Rosemont Copper Project environmental analysis. I want to thank the...

May 3, 2010

This memorandum provides a technical review of the report, Geochemical...

May 1, 2010

Archaeological resources are protected under National Historic Preservation Act Section 304 and Archaeological Resources Protection Act Section 9.

Deposition of mining, quarry and road dust on vegetation canopies has been observed in inhibit plant growth when dust burdens exceed 7 g m2 but there is little quantitative information on the...

Climate scientists agree that the earth is undergoing a warming trend, and that human-caused elevations in atmospheric concentrations of carbon dioxide ( CO2 ) and other greenhouse...

April 30, 2010

A technical review has been undertaken, and this Technical Memorandum prepared at the request of SWCA and the Coronado National Forest, in accordance with a request for a Statement of Work dated...

April 21, 2010

The updated groundwater model was used to predict dewatering...

April 15, 2010

This report characterizes the distribution and diversity of talus snails (Sonorella spp.) along the "North Ridge" of the Santa Rita Mountains in Pima County, Arizona.

April 9, 2010

This tech memo provides a summary of Tetra Tech's findings related to predictetd average-annual sediment...

This tech memo provides a summary of Tetra Tech's findings related to predicted average-annual sediment...

April 1, 2010

WestLand field teams have mapped and described riparian habitat...

This report further develops the key site water management structures planned for the Rosemont Copper Project designed to protect the environment and Project facilities. This update is specific to...

This report further develops the key site water management structures planned for the Rosemont Copper Project designed to protect the environment and Project facilities. This update is specific to...

This report further develops the key site water management structures planned for the Rosemont Copper Project designed to protect the environment and Project facilities. This update is specific to...

This report further develops the key site water management structures planned for the Rosemont Copper Project designed to protect the environment and Project facilities. This update is specific to...

This report further develops the key site water management structures planned for the Rosemont Copper Project designed to protect the environment and Project facilities. This update is specific to...

March 12, 2010

This report summarizes fish sampling in behalf of a long-term monitoring plan for fish populations in selected waters of the Gila River basin, Arizona, during sample year (SY) 2009 (period July 7...

March 5, 2010

This Technical Memorandum presents a Stormwater Assessment for the Barrel and McCleary Alternative being considered in the US Forest Se rvice...

This Technical Memorandum presents a Stormwater Assessment for the Barrel Only Alternative being considered in the US Forest Service En vironmental...

This Technical Memorandum presents a Stormwater Assessment for the Scholefield ...

March 1, 2010

This tech memo compares the natural groundwater fluctuations of the system near the Rosemont property with the drawdown predicted by the hydrogeologic model.

WestLand has completed a preliminary jurisdictional determination pursuant to USACOE Regulatory Guidance Letter 08-02, of areas that may be considered by the ACOE as potential waters of the United...

This report further develops the Rosemont Ridge Landform and incorporates a variety of considerations such as controlling stormwater and erosion, addressing post-mining land uses, and...

February 17, 2010

SWCA Environmental Consultants (SWCA) commissioned Golder Associates, Inc. (Golder) as part of the...

February 1, 2010

Bullfrog eradication is proceeding in the Empire Valley region, and may be completed in 2011 or 2012 if intensive removals in an upper reach of...

Upon cessation of mining, the local water table...

This investigation evaluates the environmental consequences of developing the Rosemont deposit, with a focus on the potential to impact...

The MODFLOW-SURFACT computer input tiles and Groundwater Vistas (GWVistas) files were also made available for review. There were three file sets available, including SteadyState, Trans_DRN, and...

January 27, 2010

This technical memorandum discusses the selection of the hydrologic methodology/design storm criteria applied to the proposed Rosemont Copper Project (Project) in Pima County, Arizona. This...

January 23, 2010

This Technical Memorandum was prepared by Tetra Tech and presents a Noise Analysis for the Partial Backfill Alternative being considered in the US Forest Service...

January 15, 2010

This Technical Memorandum was prepared by Tetra Tech and presents a Noise Analysis for the Barrel Only Alternative being considered in the US Forest Service...

This Technical Memorandum was prepared by Tetra Tech and presents a Noise Analysis for the Scholefield...

This Technical Memorandum was prepared by Tetra Tech and presents a Noise Analysis for the Sycamore...

January 14, 2010

WestLand Resources conducted a survey of 37 mining features within the Rosemont Holdings and vicinity to determine if they were being used as bat roosts.

January 9, 2010

This Technical Memorandum was prepared by Tetra Tech and presents a Noise Analysis for the Barrel and McCleary Alternative being considered in the US Forest Service...

January 8, 2010

The purpose of this MOU is to articulate the working arrangement whereby a third-party environmental contractor (Prime Consultant) will support the Forest Service, in consultation with the...

January 1, 2010

The Southwestern Willow Flycatcher ( Empidonax traillii extimus ) has been the subject of substantial research, monitoring, and management activity since it was listed as an...

The Coronado National Forest Plan (Forest Plan) was approved in 1986. Since then, periodic reviews of the implementation and effectiveness of the Forest Plan have been conducted and documented in...

Road-killed vertebrates are a conspicuous effect of roads on animals, particularly in natural preserves where wildlife is protected. Knowledge of the number of vertebrates killed by vehicles in a...

The Federal Land Managers’ Air Quality Related Values Work Group (FLAG) formed to develop a more consistent approach for the Federal Land Managers (FLMs) to evaluate air pollution effects on...

WestLand Resources was asked by Rosemont Copper Company to survey for Hexalectris colemanii on the entire “Rosemont Area” (all areas included in the Rosemont Mine Plan of Operations...

The ocelot (Leopardus pardalis) is listed as endangered throughout its range in the western hemisphere where it is distributed from southern Texas and southern Arizona through Central and South...

This Technical Memorandum documents the results of the predictive groundwater flow models prepared by Tetra Tech for the proposed Rosemont Copper Project (Project) located on the east side of the...

Archaeological resources are protected under National Historic Preservation Act Section 304 and Archaeological Resources Protection Act Section 9.

Fire risk in deserts is increased by high production of annual forbs and invasive grasses that create a continuous fine fuel bed in the interspaces between shrubs. Interspace production is...

The configuration of the proposed Rosemont Copper Operations (RCO) used for the following discussion regarding boundary management and the...

While freshwater sustainability is generally defined as the provisioning of water for both people and the environment, in practice it is largely focused only on supplying water to furnish human...

This Technical Memorandum presents a Stormwater Assessment for the...

December 21, 2009

As part of the baseline biological studies effort, WestLand has conducted surveys of the Rosemont Holdings and their vicinity for ranids, particularly the Chiricahua leopard frog.

December 18, 2009

WestLand Resources was retained by Rosemont Copper Company to survey for Pima Pineapple cactus along an approx. 22.4 linear miles of proposed waterline, including alternate routes, as part of the...

October 28, 2009

Montgomery & Associates developed a groundwater flow model designed to simulate conditions prior to pit development, during pit dewatering...

September 17, 2009

As part of ongoing baseline biological studies, WestLand is conducting studies of Sonorella, including surveys to determine the distribution of Sonorella within and in proximity to the proposed...

September 1, 2009

The Tribal Relations Program of the Forest Service, U.S. Department of Agriculture (USDA), developed this strategic plan to create beneficial outcomes for the agency and for American Indian and...

August 31, 2009

The general goals of this document, “Considerations for Making Effects Determinations”1 (CMED) for the Chiricahua leopard frog (Lithobates [Rana] chiricahuensis), are to focus...

August 1, 2009

Statistical data on immigration have been published annually by the U.S. government since the 1890s . Over the years, the federal agencies responsible for reporting on immigration have changed, as...

This report presents a summary of...

July 1, 2009

State Route 83 (AZ-83) will be used as main transport corridor for the Rosemont Copper Project (Project). An assessment which analyzed the current roadway geometry and safety conditions was...

June 19, 2009

Call & Nicholas, Inc. (CNI) was contracted by Augusta Resources in spring 2006 to conduct a...

June 15, 2009

June 11, 2009

On June 1st 2006, I joined Doug Duncan from the FWS, Don Carter from Pima County, and Abraham Karam from ASU for a walkthrough of the RR Horseshoe reach on...

Purpose of the trip was to document which fish species are present, and what their gross distribution is. Since the purpose was basic, no fish lengths, numbers, or population estimates were done....

April 30, 2009

Montgomery & Associates conducted groundwater flow modeling investigations for simulation of mine supply groundwater pumping from proposed locations near Sahuarita.  Investigations...

April 27, 2009

This tech memo describes updates to the Arizona Department of Water Resources (ADWR) Tucson Active Management Area Model in the vicinity of Sahuarita and Green Valley.

April 24, 2009

Rosemont has authorized WestLand Resources to conduct a variety of baseline biological studies for Chiricahua leopard frogs within and in the vicinity of the Rosemont holdings.

April 1, 2009

A traffic analysis was completed to examine the existing traffic conditions along State Route 83 (AZ-83) and to assess potential future traffic on AZ-83 associated with Rosemont Copper Company...

March 11, 2009

Rosemont retained WestLand Resources to conduct a variety of biological studies to support special status species, such as the federally listed lesser long-nosed bat. The Palmer's agave has...

A detailed study of lesser long-nosed bats and their potential use of the Rosemont Property was undertaken with initial site visits in 2006, ultrasonic acoustic surveys in 2007 and 2008, and the...

WestLand Resources was retained by Rosemont Copper Company to survey for Pima Pineapple cactus along an approx. 15.77 mile long proposed waterline as part of the proposed Rosemont Copper Project...

February 26, 2009

In accordance with the Phase 2 hydrogeologic characterization program for the proposed Rosemont Mine, 27 groundwater wells and 3 multi-level groundwater piezometers were constructed in the...

February 1, 2009

This report presents information and supporting documentation required for an area-wide APP application for the Rosemont Copper Project.

The purpose of this report is to profile the ecological environment of the Coronado National Forest (NF) and the surrounding area (figure 1). This information will serve as a baseline to evaluate...

The report presents an addendum to the 2007...

January 14, 2009

The Rosemont Property is primarily a copper mining project with appreciable amounts of molybdenum and silver by-products. Rosemont is being developed by Augusta Resource Corporation (Augusta). The...

January 1, 2009

This document constitutes the 2009 ...

The purpose of this technical guide is to present an operational definition of adaptive management, identify the conditions in which adaptive management should be considered, and describe the...

Throughout its history, Earth’s climate has varied, reflecting the complex interactions and dependencies of the solar, oceanic, terrestrial, atmospheric, and living components that make up...

We attempted a complete review of the empirical literature on effects of roads and traffic on animal abundance and distribution. We found 79 studies, with results for 131 species and 30 species...

We, the U.S. Fish and Wildlife Service (Service), announce a 90–day finding on 192 species from a petition to list 475 species in the southwestern United States as threatened or endangered...

This report summarizes the science of climate change and the impacts of climate change on the United States, now and in the future. It is largely based on results of the U.S. Global Change...

Animal communication is a dynamic field that promotes cross-disciplinary study of the complex mechanisms of sending and receiving signals, the neurobiology of signal detection and processing, and...

Roadside habitats are important for a range of taxa including plants, insects, mammals, and birds, particularly in developed countries in which large expanses of native vegetation have been...

The Green Ratsnake (Senticolis triaspis) has a broad range that extends from Central America north into the Madrean region of southeastern Arizona and southwestern New Mexico, yet very little is...

WestLand has completed a preliminary jurisdictional determination pursuant to USACOE Regulatory Guidance Letter 08-02, of areas that may be considered by the ACOE as potential waters of the United...

The negative effect of roads on wildlife is recognized as a major contributor to the global biodiversity crisis, with anurans being among the most vulnerable groups overall. The “road-effect...

Research to determine noise impacts on animals benefits from methodology that adequately describes the acoustical stimulus as well as the resulting biological responses. We present acoustical...

This report addresses the detailed engineering of the Dry Stack ...

This memo was developed to solidify various design criteria for use at the Rosemont Copper Project site by various consulting groups. The goal of this analysis was to review info generated from...

Adults of several species of western North American passerines are known to migrate to the Mexican monsoon region to undergo molt from July to October before continuing migration to their...

An increase in quarrying, open-cast mining and road traffic suggest that dust deposition onto vegetation may be increasing. This review describes the physical and chemical characters of a range of...

This chapter concentrates on the economic importance and ...

December 17, 2008

In a greenhouse study of ...

December 12, 2008

This Instruction Memorandum (IM) transmits a new manual for the Bureau of Land Management (BLM) special status species program and provides direction for updating existing Bureau...

December 4, 2008

The Rosemont copper-molybdenum-silver deposit is located in Pima County, Arizona, USA approximately 30 miles (50 km) southeast of the city of Tucson, Arizona. Augusta Resource Corporation (Augusta...

December 2, 2008

The purpose of this Policy is to establish guidelines regarding the protection and documentation of archaeological, historical, and other...

November 25, 2008

We, the U.S. Fish and Wildlife Service (Service), announce a 12-month finding on a petition to list the northern Mexican gartersnake (Thamnophis eques megalops) as threatened or...

October 1, 2008

Tetra Tech proposed a study involving concurrent ambient noise monitoring at multiple locations within or near the proposed mining operations area and a preliminary evaluation of noise attenuation...

April 3, 2008

April 1, 2008

The Augusta Resources Corporation proposes to construct the Rosemont Mine project in the northern Santa Rita Mountains. The proposed open pit would cover about 700 acres. Full construction of the...

March 13, 2008

March 1, 2008

This report provides a profile of the type of tourist that visits Chaffee County in the summer months based on survey data. In addition to demographic information, we also present an overview of...

February 13, 2008

February 1, 2008

This memorandum presents a summary to date of the findings from an update to Call & Nicholas, Inc.’s (CNI) 2008...

The southwestern willow flycatcher ( Empidonax traillii extimus , flycatcher) was federally listed as endangered in 1995. The main factors contri buting to populati on declines in Arizona...

January 1, 2008

Arizona has a wide range of unique landscapes, ranging from the Sonoran and Mohave Deserts, to mixed conifer forests. A complex network of highway corridors managed by the Arizona Department of...

The 1988 amendment to the Fish and Wildlife Conservation Act mandates the U.S. Fish and Wildlife Service (USFWS) to “identify species, subspecies, and populations of all migratory nongame...

On February 13, 2008, the Coronado National Forest (CNF), Minerals and Geology Program, received a Mine Plan of Operations...

Jaguars ( Panthera onca ) remain virtually unstudied in the desert environments at the northern extent of their range. Historic sightings from the United States indicate a declining population of...

Locations with natural characteristics, such as forests, are thought to be attractive residential locations. This proposition is tested in the Southwest United States, composed of Arizona and New...

Forests provide non-market goods and services that people are implicitly willing to pay for through hedonic housing and labor markets. But it is unclear if compensating differentials arise in...

Approved jurisdictional determinations (JDs) and preliminary JDs are tools used by the U.S. Army Corps of Engineers (Corps) to help implement Section 404 of the Clean Water Act (CWA) and Sections...

Sky islands provide ideal opportunities for understanding how climatic changes associated with Pleistocene glacial cycles influenced species distributions, genetic diversification, and demography...

Nearly a century of independent geological work in Arizona and adjoining Mexico resulted in a seam in the recognized geological architecture and in the mineralization style and distribution at the...

This document is one of a series of Regional Supplements to the Corps of Engineers Wetland Delineation Manual, which provides technical guidance and procedures for identifying and delineating...

The Southwestern willow flycatcher (Empidonax traillii extimus; hereafter references to willow flycatcher and flycatcher refer to E.t. extimus, except where specifically noted) is an endangered...

Las Cienegas National Conservation Area (LCNCA) supports five of the rarest habitat types in the American Southwest: cottonwood-willow riparian forest, cienega marshland, sacaton floodplain,...

This report represents a state-of-the-art synthesis of current knowledge of the ecology and hydrology of ephemeral (dry washes) and intermittent streams in the American Southwest, and may have...

December 3, 2007

A preliminary evaluation of springs within the Rosemont Project Area has been completed by Errol L. Montgomery & Associates, Inc. (Montgomery) . The attached three tables and associated figure...

December 1, 2007

This guide has been developed to help citizens and organizations who are concerned about the environmental effects of federal decisionmaking to effectively participate in Federal agencies’...

The area of southeastern Arizona surrounding the Santa Rita and Patagonia Mountains is home to spectacular landscapes, unique ecosystems rich in biodiversity, and a diverse, robust amenity and...

November 28, 2007

Rosemont, working with the US Forest Service, Bureau of Land Management, and the Arizona State Mine Inspector, and/or contractors, will update the inventory and status of existing mine workings on...

November 20, 2007

Water rights data requested by CNF for MPO.

November 16, 2007

This memo is in response to the U.S. Forest Service’s request for information regarding ...

August 24, 2007

The results of the feasibility study for the Rosemont Copper Project indicate that the project is technically and economically feasible. There are opportunities for further optimization, and the...

August 3, 2007

July 11, 2007

The subject of this...

July 6, 2007

The target of the Rosemont mine reclamation...

July 1, 2007

The Las Cienegas National Conservation Area (LCNCA) supports three of the rarest ecosystems in the American Southwest: riparian, aquatic, and semidesert grassland; is home to 6...

June 1, 2007

Geologic hazard assessemnt for the Rosemont Copper Project.

Intent of the Site Water Management Plan is to demonstrate how storm flows and sediment...

Specific objectives of the soil resources assessment included the following: describe soil profiles or pedons, and document soil characteristics; sample and analyze physical and chemical...

Augusta will manage materials on-site to minimize the amount of waste created and to ensure wastes do not become mixed, contaminated, or mismanaged.

May 1, 2007

This technical guide provides guidance for implementing the U.S. Department of Agriculture (USDA) Forest Service national ground water policy. It describes hydrological, geological, and ecological...

Utilization has been an important “tool” in range management since its beginnings. On the surface the concept appears simple, referring to the percentage of current...

April 26, 2007

Augusta completed a 40-hole diamond drilling program on the deposit, consisting of resource, geotechnical...

April 4, 2007

March 29, 2007

The Thurber Allotment is scheduled to undergo NEPA analysis this...

March 1, 2007

Archaeological resources are protected under National Historic Preservation Act Section 304 and Archaeological Resources Protection Act Section 9.

The southwestern willow flycatcher (flycatcher) was federally listed as endangered in 1995. Probable factors contributing to population declines are loss, alteration, and

February 4, 2007

January 30, 2007

The US National Park Service has lacked servicewide outdoor lighting guidelines. The need for better quality lighting and guidance to parks is clear by the variable quality of lighting...

January 1, 2007

This report is the result of an original research effort led by the Arizona Arts, Sciences and Technology Academy (AASTA). The goal of the research effort was to quantify, for the first time, the...

The dramatic increase in human activities all over the world has caused, on an evolutionary time scale, a sudden rise in especially low-pitched noise levels. Ambient noise may be detrimental to...

The Chiricahua leopard frog is federally listed as threatened without critical...

On September 6-8, 2007, Jeff Servoss (USFWS Arizona ES), Bill Burger (AGFD Region VI), and Young Cage (Tucson Herpetological Society, or TH S) conducted visual surveys and trapping for northern...

November 9, 2006

October 1, 2006

Travel planning in the Forest Service was traditionally split between th e engineering program for road management and the recreation program for trails management. A re cently revised federal...

September 27, 2006

August 9, 2006

Leptonycteris yerbabuenae is 1 of 4 North American bats with a nose leaf.

July 26, 2006

Vector personnel including Larry Breckenridge, Amy Hudson, Kathy Arnold, Jamie Monte, and Bill Schafer (Schafer Limited) visited the Rosemont site on July 11-12, 2006. The first day was spent on a...

June 1, 2006

Site investigation included borehole drilling, test pit excavating, surface geology mapping, field penetration and hydraulic testing, geotechnical...

May 1, 2006

The purpose of this study is to estimate the support for open lands preservation and the contribution of Routt County’s working landscapes to the local summer tourism industry. Rosenberger...

March 16, 2006

March 1, 2006

The southwestern willow flycatcher (flycatcher) was federally listed as endangered in 1995. Probable factors contributing to population declines are: loss, alteration, and

February 1, 2006

January 1, 2006

Successful acoustic communication requires that sounds propagate through the environment between the sender and receiver; vocalizations that transmit effectively in the...

The aim of the present study was to determine the yearly mortality level and identify the collision places of mammals on a road network with varying traffic volume, as well as to establish the...

The Upper San Pedro Basin in Cochise County, Arizona, hosts a growing population of human residents as well as several Federal establishments including the Fort Huachuca Army Installation,...

This handbook is an assemblage of currently available information about land as a resource for farming, ranching, forestry, engineering, recreation, and other uses. It is a revision of United...

A numerical groundwater flow model of the Tucson Active Management Area (AMA) in Pinal , Pima and Santa Cruz Counties, Arizona , was developed to simulate the regional hydrologic system during a...

Vector conducted an initial site selection study for a tailings...

Stream-riparian ecosystems are among the most productive, biologically diverse and threatened habitats in arid regions, including the American Southwest. Standardized assessment protocols are...

September 1, 2005

The purpose of this technical guide is to provide specific direction and guidance for conducting Terrestrial Ecological Unit Inventory (TEUI) at the...

June 28, 2005

Data were collected for this report using focus gr oups and individual interview. Five focus groups were conducted: two groups were held in Tucs on and one each in Douglas, Safford, and Sierra...

March 24, 2005

March 1, 2005

The National Emissions Inventory (NEI) is a comprehensive inventory of the amount and types of air pollutants emitted into the atmosphere annually by various sources for all areas of the United...

February 1, 2005

Davidson Canyon is a rare confluence of desert and riparian...

January 1, 2005

The jaguar (Panthera onca) is an...

Green rat snakes (Senticolis triaspis) appear to be rare throughout their range, and little is known about their ecology and life history. Using opportunistically captured S. triaspis coupled with...

We, the U.S. Fish and Wildlife Service (Service), list the Gila chub ( Gila intermedia ) as endangered with critical...

Waihi Gold Company has been operating the Martha mine at Waihi, New Zealand since 1987, firstly under a licence approved on 16 July 1987, issued under the Mining Act 1971 and then under an...

The science of assessing rangelands is changing as concepts and protocols continue to evolve. The concept of rangeland health was advanced as an alternative to range condition (National Research...

Roads and traffic affect animal populations detrimentally in four ways: they decrease...

Ground-water and surfaceflow depletions are altering riparian ecosystems throughout the southwestern United States, and have contributed to the decline of forests of the pioneer trees Populus...

The wildland–urban interface (WUI) is the area where houses meet or in- termingle with undeveloped wildland vegetation. The WUI is thus a focal area for human– environment conflicts,...

November 1, 2004

This document provides guidance to States and Tribes authorized to establish water quality standards under the Clean Water Act (CWA) to protect aquatic life from toxic effects of selenium. Under...

September 1, 2004

Las Cienegas National Conservation Area enco mpasses the Empire and Cienega ranches, including the headwaters and intact cienega-st ream of Cienega Creek. This area supports the most intact...

The Coronado National Forest proposes to develop and implement an Integrated Vegetation Management (IVM) program for the control of invasive exotic plants. The project area is located on National...

August 5, 2004

In deciding whether a waterbody that is physically far-removed from a traditionally navigable water should fall under the...

August 1, 2004

Current Gunnison County landowners and leaders face a decision regarding the potentially...

July 1, 2004

We initiated this study with the intent of researching – in an empirically thorough and defensible fashion – whether protected public lands in the West play a positive or negative role...

June 15, 2004

May 1, 2004

Along arid-region rivers, fluvial disturbance and water stress are two of the primary factors that influence vegetation patterns. Flood intensity and water availability gradients can exist along...

April 16, 2004

The Conservation Lands System (CLS) Regional Plan Policy was adopted as part of the Environmental Element of the Pima County Comprehensive Plan 2001 Plan Update in December 2001 and was updated...

April 8, 2004

January 15, 2004

Artificial night lighting is one of the least studied outcomes of urbanization. While the effects of night lighting on mammals and their habitats seem obvious, they remain difficult to quantify....

December 11, 2003

November 13, 2003

November 1, 2003

The purpose of this study was to determine the relative contribution of Davidson Canyon to base flows in...

October 1, 2003

During the past several years accusations have been made that sand and gravel operations along the Agua Fria River near Sun City are exposing nearby residents to asbestos. The Arizona Geological...

August 1, 2003

Declines in many bat populations at both the continental and local level have led to concern for the future of migratory and resident bats in Arizona. The reasons for declines are complex....

This document is the MOBILE6.1 and MOBILE6.2 User’s Guide. MOBILE6 is a computer program that estimates hydrocarbon (HC), carbon monoxide (CO), oxides of nitrogen (NOx), exhaust...

July 25, 2003

The approved Las Cienegas Resource Management Plan (RMP) is a plan for managing 49,000 acres of public land, resources and uses within Las Cienegas National Conservation Area (NCA) and Sonoita...

June 1, 2003

In this document we present preliminary estimates of reasonable progress target values for visibility by 2018, in deciviews, for each of the mandatory federal Class I areas in the WRAP §309...

May 9, 2003

January 1, 2003

The southwestern United States and Sonora, Mexico are the ex treme northern limits of the jaguar’s ( Panthera onca ) range (Sanderson and others 2002) , which primarily extends from...

The Patagonia-Sonoita Scenic Road travels through...

The flow regimes of large arid river catchments are amongst the most variable in the world. Plant communities which inhabit arid floodplains typically exhibit high spatial heterogeneity and are...

The conversion of large natural basins to managed watersheds for the purpose of providing water to urban centers has had a negative...

Fishing and hunting recreation activity is an immensely powerful part of the Arizona collective economic fabric, generating nearly $1 billion in retail sales during 2001. While this spending...

Off-highway vehicle recreation activity is an immensely powerful part of the Arizona collective economic fabric, generating nearly $3 billion in retail sales during 2002. While this spending...

December 4, 2002

November 15, 2002

September 1, 2002

Photoinhibition, defined as the inhibition of photosynthesis caused by excessive radiance, affects field production to a great extent. This phenomenon is particularly relevant in reforestation...

August 1, 2002

The southwestern willow flycatcher (Empidonax traillii extimus) breeds in dense riparian habitats in southwestern North America, and winters in southern Mexico, Central America, and...

February 18, 2002

We examined the spatial patterns and factors influencing small terrestrial vertebrate road-kill aggregations in the Bow River Valley, Alberta, Canada. We surveyed roads varying in traffic volume,...

January 1, 2002

To analyse characteristic patterns of dynamic and chronic photoinhibition within a plant community, a new technique is proposed, which is based on the long- and short-term recovery time of maximum...

We, the U.S. Fish and Wildlife Service (Service), designate the Chiricahua leopard frog (Rana chiricahuensis) as a threatened species pursuant to the...

This General Plan is a comprehensive effort designed to guide town policy and decision- makers and staff, in planning for the future of the Town. It gives us a vision to achieve and provides the...

December 26, 2001

December 21, 2001

December 20, 2001

October 19, 2001

This document transmits the U.S. Fish and Wildlife Service’s (Service) biological and conference opinions based on the Service’s review of the proposed fish community reestablishment...

September 20, 2001

This paper summarizes recent efforts to refine tools for estimating the economic impacts of tourist spending on local regions. Although tourism's impacts are most clearly felt within local...

March 7, 2001

January 31, 2001

Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Refer to...

January 12, 2001

The Department of Agriculture is adopting this final rule to establish prohibitions on road construction, road...

April 4, 2000

April 1, 2000

Recent (1998È1999) absolute spectrophotometry of the night sky over two southern Arizona astronomical sites, Kitt Peak and Mount Hopkins, is compared to similar data obtained in 1988 at...

February 19, 2000

Colossal Cave Mountain Park is the only interpretive site in the Pima County parks system where visitors can view, in _ close proximity to one another, units representing the entire span of...

February 18, 2000

January 1, 1999

In this paper, the sequence of events for Kartchner Caverns and surrounding region are correlated and traced from the...

Jaguars, Panthera onca, are recorded in North America as fossils from the middle Pleistocene, approximately 850,000 years ago (Seymour, 1993). By the end of the Pleistocene, the jaguar's range...

Ground-water models are commonly used to evaluate flow systems in areas that are small relative to entire...

Human demands for surface and shallow ...

Identifying the appropriate sampling technique first requires the identification of the proper vegetation characteristic or attribute to measure. To do this the examiner must consider objectives,...

December 1, 1998

The Sonoran topminnow, Poeciliopsis occidentalis, includes two subspecies, the Gila topminnow, Poeciliopsis o. occidentalis, and the Yaqui topminnow, Poeciliopsis o....

The Sonoran topminnow, Poeciliopsis occidentalis, includes two subspecies, the Gila topminnow, Poeciliopsis o. occidentalis, and the Yaqui topminnow, Poeciliopsis o....

October 1, 1998

Between 20,000 and 50,000 mines generate Acid Mine Drainage (AMD) on USDA Forest Service lands, affecting approximately 14,000 miles of streams (Benner and others 1997). The majority of the AMD...

January 1, 1998

Translated from the Latin, Buteo nitidus means "shining hawk" or "star buzzard." This striking medium-sized hawk is about 14 -18 inches long, has a wingspan of 32-38 inches,...

Throughout western North America, riparian ecosystem function has been transformed by anthropogenic influences on riverine environments. Modified flood frequency, duration, or intensity; depressed...

Populations of many species of amphibians. throughout the world -have declined during the past twenty years. In the arid West, Arizona's leopard frogs, which include five or six native and one...

A huge road network with vehicles ramifies across the land, representing a surprising frontier of ecology. Species-rich roadsides are conduits for few species. Roadkills are a premier mortality...

Landscapes composed of spatially heterogeneous abiotic conditions should provide a greater diversity of potential niches for plants and animals than do homogeneous landscapes. We tested this...

December 1, 1997

Section 112(n)(1)(B) of the Clean Air Act (CAA), as amended in 1990, directs the U.S. Environmental Protection Agency (U.S. EPA) to submit to Congress a comprehensive study on emissions of mercury...

May 1, 1997

The southwestern willow flycatcher (Empidonax traillii extimus) is an...

January 1, 1997

The Fish and Wildlife Service (Service) determines endangered status for the Canelo Hills ladies-tresses (Spiranthes delitescens), the Huachuca water umbel (Lilaeopsis schaffneriana...

On July 22, 1997, the U.S. Fish and Wildlife Service (Service) designated critical...

The Fish and Wildlife Service (Service) extends endangered status to the jaguar (Panthera onca) throughout its range under the authority of the...

The lesser long-nosed bat is listed as endangered throughout its range in the United States and Mexico. There is no designated critical...

As currently recognized, Arizona's ranid frog fauna includes the Tarahumara frog (Rana tarahumarae) and six or seven species of leopard frogs. This leopard frog fauna is surprisingly...

Windblown dust, an environmental problem in many disturbed arid lands, has the potential to affect the physiological performance of desert shrubs. Physiological parameters of gas exchange for...

January 1, 1996

Green Valley, Arizona is a retirement community located near major open-pit copper mines. Mining and milling activities create dust, which degrades air quality, and mine dumps and...

Many landscapes underlying military designated air spaces have been established as national parks, wildlife refuges, or wilderness areas. The juxtaposition of public, wilderness, and military uses...

Most commercial explosives contain from 70% to 94% (by weight) ammonium nitrate. When some of the explosives end up in shot rock and...

December 1, 1995

The Mexican spotted owl was listed as a threatened species on 15 April 1993. Two primary reasons were cited for the listing: historical alteration of its...

July 1, 1995

This conference brought together scientists and managers from government, universities, and private organizations to examine the biological diversity and management challenges of the unique "...

January 1, 1995

We reviewed the historical and current status of the American crow (Corvus brachyrhynchos), urban crow roosts and control efforts in California. Crows aggregate in traditional winter roosting...

The Fish and Wildlife Service (Service) determines the southwestern willow flycatcher (Empidonax traillii extimus) to be an...

Water quality regulations currently in place in Canada and the USA include criteria for allowable nitrate concentrations in mine effluent. These regulations extend not only to operating mines but...

Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Refer to...

January 1, 1994

We compared use of seven habitat types to availability of those types within the home ranges of eight radio-tagged Mexican Spotted Owls (Strixo ccidentalliusc ida). When all...

October 1, 1993

The Soil Survey Manual provides in a single volume the major principles and practices needed for making and using soil surveys and for assembling and using data related to them. The Manual is...

January 1, 1993

The Fish andWildlife Service (Service) determines Coryphantha .scheeri var, robustispina (Pima pineapple cactus) to be an...

The U.S. Fish and Wildlife Service (Service) determines the Mexican spotted owl (Strix occidentalis lucida) to be a threatened species under the authority of the...

April 3, 1992

The in vivo photochemical activity of photosystem 11 was inferred from modulated chlorophyll fluorescence and photoacoustic measurements in intact leaves of several plant species (Lycopersicon...

February 1, 1992

Even though light is the ultimate substrate for photosynthetic energy conversion, it can also harm plants. This toxicity is targeted to the water-splitting photosystem II and leads to damage and...

March 1, 1991

January 1, 1991

We recorded 4,188 events of human activity and associated bald eagle (Haliaeetus leucocephalus) response in the vicinity of 13 central Arizona nest sites during 1983-85. A hierarchical...

November 28, 1990

This report presents data supporting designation of a portion of...

August 22, 1990

The ocelot ( Leopardus pardalis ) is listed as endangered throughout its range in the western hemisphere where it is distributed from southe rn Texas and southern Arizona through Central...

March 1, 1990

The northern Santa Rita Mountains, a chain of low peaks rising to nearly 1,900 m, are situated northeast of the main body of the range, which extends nearly 1,000 m higher in elevation. The study...

January 1, 1990

Certain limited areas of National Forest System lands not designated as wilderness and containing outstanding examples of plant and animal communities, geological features, scenic grandeur, or...

January 1, 1989

A distinctive suite of volcan ic , sedimentary , structural , and physiographic characteristics permits differentiation of the post-12- to 15- Ma Basin-Range disturbance from earlier mid-...

January 1, 1988

The genus Leptonycteris differs strikingly from most other bats that occur in the United States, in having an elongated muzzle with a small nose leaf at the tip. Its long tongue, an adaptation for...

Nutrients are environmental substances (elements or compounds) necessary for the growth and development of plants and animal s. Nitrogen, phosphorus, and sulphur are found i n varying proportions...

January 1, 1987

The Willow Flycatcher (Empidonax traillii) is a widely distributed species with a breeding range extending from southern British Columbia south to northern Baja California and east to the Atlantic...

The physical and chemical characteristics and ecological consequences of road dust in arctic regions are reviewed with emphasis on recent information gathered along the Dalton Highway and the...

January 1, 1986

This Plan defines the direction for managing the Coronado National Forest for the next 10-15 years. The Plan provides for integrated...

Reithrodontomys montanus is a small mouse with a prominent dark middorsal body stripe bounded laterally by lighter grayish fur having a peppered appearance.

December 9, 1985

Large tadpoles of five New Mexican species of leopard frogs, Rana berlandieri, R. blairi, R. chiricahuensis, R. pipiens, and R. yavapaiensis can be...

January 1, 1985

This handbook is written to guide Forest Service economists, social scientists, planners, and analysts at the Washington Office, Regional Offices, Research Stations, and National Forests, and in...

January 1, 1984

Riparian ecology, as one of the newest scientific disciplines, is developing a conceptual framework which includes new supportive terminology and classification schemes. This branch of ecology has...

Excavations at 22 ceramic period sites in the Rosemont area of the northern Santa Rita Mountains, Coronado National Forest, are described. Investigations have established that these sites were...

The Rosemont historic sites project was performed by Archaeological Research Services, Inc. for the Arizona State Museum as part of a larger archaeological...

During the survey of the ANAMAX-Rosemont land exchange area in late 1975, archaeologists encountered two sites that displayed distinctive oval rock alignments on their surfaces. It was quickly...

This report describes and discusses data recovery operations at 10 Archaic sites within the ANAMAX-Rosemont land exchange area in the northern Santa Rita Mountains on the Coronado National Forest...

Dust scraped from a car exhaust and ground to a particle size range of 1-10 µm was applied at measured rates to leaves of Viburnum tinus. Its effects on photosynthesis and leaf...

October 1, 1983

This handbook outlines methods of sampling vegetation for the comparison of revegetated mined lands and reference areas as specified by Federal regulations implementing the Surface Mining Control...

June 1, 1982

Air pollution and acid rain impacts on living resources are a major source of concern to the U.S. Fish and Wildlife Service and other governmental agencies charged with the protection of natural...

January 1, 1982

This report summarizes the major findings of a two-year study of socioeconomic impacts resulting from power plant construction and operation. Research findings are based on 12 retrospective case...

January 1, 1981

This report presents the results of an archaeological survey of two small parcels of land added to the ANAMAX-Rosemont land exchange area. Each of these parcels is described, and the methods by...

Fire plays an important role in determining structure of forests and scrublands throughout the West. Distribution and structure of vegetation depends upon topography, climatic regime, and fire...

June 1, 1980

In recent years noise has become a recognized factor in the community planning process. Some...

February 1, 1980

This report describes the archaeological survey of approximately 65 square kilometers of Coronado National Forest land in the northern Santa Rita Mountains of southern Arizona. Centered around the...

January 1, 1979

This paper explore various grounds on which wilderness can be regarded as something which we should value, and draws attention to the problems of resolving conflict which are generated by these...

January 1, 1978

Hydrological aspects of the Rosemont environmental study comprise both surface and ground waters which might be affected by mining activity. Such factors as drainage basin size, orientation,...

January 1, 1977

Between 1 July 1975 and 28 February 1977 a team of University of Arizona faculty conducted an environmental inventory of the Rosemont Area under contract with the Anamax Mining Company. The...

Between 1 July 1975 and 28 February 1977 a team of University of Arizona faculty conducted an environmental inventory of the Rosemont Area under contract with the Anamax Mining Company. The...

Between 1 July 1975 and 28 February 1977 a team of University of Arizona faculty conducted an environmental inventory of the Rosemont Area under contract with the Anamax Mining Company. The...

January 1, 1976

By using a 'black light' and playback of sounds made by foraging insectivorous bats, we examined opportunistic feeding behavior of bats near Camp Verde, Arizona, between I and 10 June 1975...

January 1, 1969

In order to describe the occurrence and extent of Arizona's mineral and water resources, some knowledge of the geology of the region is fundamental. The character and structure of the rocks...

October 1, 1968

The material that follows is suggested for use in the evaluation of...

January 1, 1966

The Glove Mine is located on the southern extremity of an isolated syncllnal sedimentary block of ...

January 1, 1915

The area here treated contains a large variety of both igneous and sedimentary rocks. The rocks range in age from pre-Cambrian to Recent. For the most part th ey have been considerably uplifted,...