Baseline Reports

Choose an option from these Baseline Report categories
Thumbnail image of Socioeconomic Effects Technical Report cover

The proposed Resolution Mine presents a number of socioeconomic issues which required research, analysis...

Thumbnail image of Air Quality Impacts Analyses report

This Modeling Report includes a description of the methods and datasets used in the air quality modeling...

Thumbnail image of the Spring and Seep Catalog - June 2018

This catalog has been prepared to summarize available information for selected springs and seeps in the...

Thumbnail image of the 2016-2017 Wildlife Camera Monitoring Report - June 2018

Data summarized in this report include digital photographs taken between January 1, 2016 and December 31,...

Thumbnail image of the Biological Evaluation - Skunk Camp TSF report - June 2018

This biological evaluation (BE) supports an evaluation of an alternative tailings storage facility (TSF;...

Thumbnail image of Air Sciences' Air Quality Impacts Analysis Modeling Plan

This modeling plan includes a description of the methods and data sets that are planned to be used in the...

This Modeling Plan includes a description of the methods and data sets that are planned to be used in the...

Thumbnail image of Westland Survey of Surface Water Features in the Resolution Project Area and Vicinity report

As part of continuing biological resources support for Resolution’s GPO, WestLand conducted surveys for...

The impact of outdoor lighting from the proposed Resolution Copper mine on the night skies as viewed from...

A probabilistic seismic hazard analysis (PSHA) and deterministic seismic hazard analysis (DSHA) were...

This report summarizes the meteorological, upper-air (SoDAR1), nitrogen dioxide (NO2...

This screening analysis was prepared to determine the potential for occurrence of special-status species...

This report summarizes the meteorological, upper-air (SoDAR1), nitrogen dioxide (NO2...

This report was prepared for Resolution Copper (RC) to describe surface water features monitored in the...

This catalog has been prepared to summarize available information for selected springs and seeps in the...

Computed flood flow frequency and volume‐duration‐frequency values for points of interest on Queen Creek...

The purpose of this study is to quantify climbing resources and to assess potential losses for the...

The purpose of this traffic study is to evaluate the current and future transportation system at the...

This assessment provides background information on concepts related to environmental sound including:...

This report summarizes the meteorological, upper-air (SoDAR), nitrogen dioxide (NO2), sulfur...

This report has been prepared to summarize the review and analysis of long-term hydrographs to support...

A series of stream gauges is located within the upper Queen Creek, Devil’s Canyon, and Mineral Creek...

This surface water baseline report has been prepared to support the ongoing National Environmental Policy...

Passive survey for raptors in 2016 were conducted at four sites in the vicinity of the Resolution Copper...

Thumbnail image of Ecological Overview Apache Leap South End Parcels report cover

The Apache Leap South End parcels (“the Property”) are three non-contiguous private inholdings within the...

Thumbnail image of Ecological Overview East Clear Creek report cover

The East Clear Creek parcel (“the Property”) is a private inholding within the Coconino National Forest,...

This Ecological Overview was prepared for approximately 160 acres (65 hectares) in Gila and Pinal counties...

This report was prepared to support ongoing National Environmental Policy Act (NEPA) review process for...

The purpose of this traffic study is to evaluate the current and future transportation system at the...

Hydrologic test wells HRES-01, HRES-02, HRES-03, HRES-04, and HRES-05 were drilled and constructed during...

Based on data needs identified at the end of 2013, further geochemical characterization of Resolution...

This report summarizes the meteorological, upper air, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone...

Resolution Copper Mining LLC (RCML) is overseeing a meteorological and air quality monitoring program to...

This report summarizes the meteorological, upper air, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone...

This report summarizes the meteorological, upper air, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone...

WestLand conducted survey in 2015 for the yellow-billed cuckoo at four sites in the vicinity of the...

Earth Systems was engaged to conduct kinetic geochemical testwork on tailings samples generated from pilot...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

WestLand was retained to provide wetland and floodplain analysis of a 2,422-acre are of federal land being...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

WestLand was retained to evaluate an approximately 539-acre area for the presence of potential waters to...

This report presents a flood-duration flow frequency analysis for selected durations (1 day, 3 day, 7 day...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

In 2015 Audubon Arizona organized and conducted standardized surveys on three reaches of Queen and Arnett...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

WestLand was retained to conduct surveys for Arizona hedgehog cactus in conformance with the monitoring...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

List of birds [frequency and season].

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

WestLand was retained to conduct biological baseline studies related to a proposed tailings alternative...

WestLand Resources was retained to conduct a noxious weed survey for the proposed disturbance and access...

WestLand was retained to conduct wildlife monitoring surveys utilizing motion-sensitive cameras in the...

WestLand was retained to conduct raptor studies within the proposed Near West Tailings alternative area to...

WestLand was retained to evaluate an approximately 14,273-acre area for the presence of potential waters...

This technical memorandum was prepared to document results and analysis of a 90-day aquifer test conducted...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

RCM is committed to the prevention of discharges of oil or oily wastewater to navigable waters and the...

RCM is committed to the prevention of discharges of oil or oily wastewater to navigable waters and the...

Flooding is among the worst natural disasters responsible for loss of life and property in Arizona,...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

WestLand was retained to conduct avian surveys in support of the proposed Near West tailing alternatives...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

WestLand has conducted surveys for Arizona Hedgehog Cactus in support of Resolution Copper Mining pre-...

At the request of Resolution Mining Company (RMC), this report presents the results of sitespecific...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

The goals of the baseline surface water monitoring program are to: a) Refine understanding of surface...

This tech memo has been prepared to summarize results of the Phase II field investigations of the Near...

This tech memo has been prepared to summarize results of the Phase I hydrogeologic assessment of the Near...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

This tech memo presents the first update of the Groundwater Assessment prepared by Golder Associates on...

WestLand was retained to conduct surveys for Arizona hedgehog cactus in conformance with the monitoring...

WestLand was retained to conduct surveys for the Western Yellow-billed Cuckoo (WYBC) in portions of Devils...

An investigation of hydrogeologic conditions for the Superior Basin has been completed by Montgomery.

WestLand was retained to conduct surveys for Arizona hedgehog cactus (AHC) in the vicinity of East Plant,...

RCM retained WestLand to conduct surveys for Morafka's desert tortoise (Gopherus morafkai,...

WestLand was retained to evaluate an approximately 560-acre private parcel for the presence of potential...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

WestLand was retained to conduct surveys of the reptile community at the Far West parcel and along...

WestLand was retained to conduct baseline biological surveys and studies in the project area.  Surveys...

At HRES-19 and HRES-20, the primary target drilling depth was the contact between the Tertiary Apache Leap...

This is a summary of personal observations and impressions of the continued presence or absence of the...

This report summarizes the meteorological, nitrogen dioxide (NO2), sulfur dioxide (SO2), ozone (O3), and...

This draft technical memorandum has been prepared to summarize results of drilling, construction, and...

This technical memorandum was prepared to summarize modifications made to wells HRES-02, HRES-05, and HRES...

WestLand was retained to conduct bird surveys within the Resolution Study Area.

WestLand was retained to conduct baseline biological studies in the Resolution Project Area.

In order to assist RCM in obtaining the necessary environmental permits, WestLand has been conducting...

WestLand conducted bat surveys in the project vicinity.  Surveys reported here focus specifically on...

WestLand was retained to conduct a raptor survey near Superior, Arizona.

WestLand was retained to conduct wildlife monitoring surveys utilizing motion-sensitive cameras in the...

Resolution Copper has collected meteorological and air quality data to support several efforts during the...

WestLand was retained to conduct a raptor survey on a parcel of land administered by ASLD near Florence...

In February 2010, Montgomery published a report entitled "Interim Results of Groundwater Monitoring, Upper...

This technical memorandum was prepared to summarize results of drilling and construction at hydrologic...

This technical memorandum has been prepared to document results and analysis of a 23-day aquifer test...

This technical memorandum has been prepared to summarize results of drilling and construction at...

This technical memorandum has been prepared to summarize results of drilling, construction, and testing at...

This technical memorandum has been prepared to summarize the results of drilling, construction, and...

This technical memorandum was prepared to summarize results of drilling, construction, and testing at...

In 1995, the Magma Copper Company discovered a porphyry copper deposit beneath thick postmineral cover 2...

This technical memorandum has been prepared to summarize results of drilling, construction, and testing at...

This technical memorandum was prepared to summarize results of drilling, construction, and testing at...

WestLand conducted surveys for the Western Yellow-billed Cuckoo in portions of Devils Canyon and Mineral...

Resolution Copper Mining LLC (RCML) intends to implement a meteorological and air quality monitoring...

This report summarizes meteorological measurements collected at the Resolution Copper Mine monitoring...

WestLand was retained to evaluate two areas, the West Plant and East Plant Analysis Areas, totaling...

This list incorporates changes in taxonomy and nomenclature that have occurred since the last list was...

This technical memorandum was prepared to summarize results of drilling, construction, equipping, and...

This technical memorandum was prepared to summarize results of drilling, construction, equipping, and...

This technical memorandum was prepared to summarize results of drilling, construction, equipping, and...

This report summarizes meteorological measurements collected at the Resolution Copper Mine monitoring...

WestLand was retained to identify potentially jurisdictional waters within an approximately 45,000-acre...

WestLand was retained to conduct surveys for Arizona hedgehog cactus within the Resolution Pre-Feasibility...

This report summarizes meteorological measurements collected at the Resolution Copper Mine monitoring...

WestLand was retained to conduct bird surveys in the vicinity or RCM's holdings near Superior, Arizona.

This report summarizes meteorological measurements collected at the Resolution Copper Mine monitoring...

This report summarizes meteorological measurements collected at the Resolution Copper Mine monitoring...

This technical memorandum was prepared to document results and analysis of a 60-day pumping test conducted...

This report summarizes meteorological measurements collected at the Resolution Copper Mine monitoring...

Groundwater monitoring in the upper Queen Creek and Devils Canyon watersheds was initiated by RCM in early...

This technical memorandum was prepared to provide an interim summary of data collected at wells DHRES-01...

The 7B Ranch falls within Audubon's identified "Lower San Pedro River Important Bird Area".

This report summarizes meteorological measurements collected at the Resolution Copper Mine monitoring...

This report summarizes meteorological measurements collected at the Resolution Copper Mine monitoring...

WestLand was chosen by the Forest Service to act in the capacity of prime consultant provide environmental...

This document presents the monitoring and quality assurance project plan for a meteorological monitoring...

WestLand biologists set up three motion-sensitive cameras besides springs within a study area along Devils...

WestLand was retained to conduct bird surveys in the vicinity of RCM's holdings, near Superior, Arizona....

Fish surveys were conducted in order to determine the presence of absence of the Gila chub, as well as...

The Research Ranch, near Elgin in Santa Cruz County, Arizona, is administered by the National Audubon...

This technical memorandum was prepared to summarize the results of a long-term aquifer test conducted at...

As part of planning for proposed pre-feasibility studies, RCM retained WestLand to conduct an Arizona...

List of mammals [confirmed by observation or sign; suspected, but not confirmed; resident, common;...

The purpose of this tech memo is to describe and present the results of a ADEQ Tier 1 geochemical...

Resolution Copper Company commissioned Golder and Associates to establish a program for the collection of...

WestLand was retained to conduct a reptile and amphibian survey on the approximately 1,224-hectare Federal...

WestLand was retained to conduct a survey for bats on the approximately 1,224-hectare Federal Parcel, in...

WestLand was retained to conduct a survey for raptors on the approximately 1,224-hectare Federal Parcel,...

WestLand was retained to conduct a survey for Arizona hedgehog cactus on the approximately 1,224-hectare...

WestLand was retained to conduct a range of ecological studies of several parcels of land.

This report compares the floodplain and wetlands inventories for five offered lands ("Non-Federal Parcels...

WestLand was retained to prepare an Ecological Overview for approximately 60.4 hectares in Maricopa County...

WestLand was retained to prepare an Ecological Overview for an approximately 357-hectare site in Santa...

WestLand was retained to prepare and Ecological Overview for approximately 59.5 hectares of land along...

WestLand was retained to prepare an Ecological Overview for approximately 59.9 hectares of land along...

WestLand was retained to prepare a Baseline Biology and Land Use Report describing a parcel of federal...

WestLand was retained by Resolution to prepare an Ecological Overview for approximately 1,295 hectares of...

This inventory is an update of soil and range information and maps of the National Audubon Society...

EIS Status Update - March 2019

Screenshot of EIS Status Update document cover

Information on the forthcoming Draft EIS is now available under the ‘EIS Info’ tab. To view the update, click here.

EIS Timeline - Feb 2019

  1. Proponent submits revised Plan of Operations [Sep 2014]
  2. Federal Register Notice of Intent to prepare EIS [Mar 2016]
  3. Public scoping period and scoping meetings
    [5 meetings between Mar-Jun 2016; comment period extended from 60 days to 120 days, closed Jul 18, 2016 ]
  4. Compile and review existing data
  5. Prepare project description and identify project alternatives
  6. Publish Alternatives Evaluation Report [Sep 2017]
  7. We Are Here
    Validate Baseline Information; analyze environmental effects
  8. Prepare Draft EIS
  9. Federal Register Notice of Availability of Draft EIS
  10. 90-day public review and comment period, with public meetings
  11. Respond to public comments and prepare Final EIS
  12. Federal Register Notice of Availability of Final EIS and Draft ROD
  13. 45-day Public Objection Period
  14. Resolve objections to Final EIS and draft ROD
  15. Issue Final Record of Decision

[ View Larger Version ]

Forest Points of Contact

Media & General Info
John Scaggs
jscaggs@fs.fed.us

Project Manager
Resolution Copper
Mary Rasmussen
mcrasmussen@fs.fed.us

Apache Leap Special Management Area
Apache Leap SMA website