Documents

The purpose of this process memorandum is to signpost the process steps that have taken place since publication of the DEIS in order to assess and respond to comments about alternative mining techniques, document the conclusions reached, and the rationale for these conclusions.

100' slices through the deposit from the geologic model.

Tailings dams are geotechnical structures that are increased in height with time. Several factors typical of tailings dams cause a higher risk of failure compared with other earth structures. The factors that influence the risk of tailings dam failure are discussed in this paper.

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Materials that meet the criteria of Freedom of Information Act exemptions are not posted on this website. Culturally sensitive materials not posted here fall under this criteria.

In June 2022, the Forest Service received additional comments from a review of the January 2021 rescinded FEIS conducted by three Bureau of Land Management water specialists. These comments expressed understanding for the approach described above but suggested expanding the analysis to include the total number of wells impacted. The purpose of this process memo is to provide that analysis.

We report results of a ten year study to understand the distribution, breeding and migration of the monarch butterfly (Danaus plexippus) in Arizona.

The purpose of this addendum is to update the process memorandum dated October 28, 2020, titled “Cumulative Effects Analysis Overview and Screening by Resource” (Newell et al 2020). The original process memo served to outline the methods and screening results used for the analysis of cumulative effects within the Environmental Impact Statement (EIS) prepared for the Resolution Copper Project by disclosing:Approach for addressing past and present actions in the EIS.

This Biological Assessment (BA) discloses the effects that occurred or may have occurred from suppression related impacts to species and critical habitats listed or proposed for listing under the Endangered Species Act from the Carlota Fire.

The purpose of this investigation was to assess the Property and surrounding areas to identify the presence or potential presence of recognized environmental conditions (RECs) potentially resulting in environmental impacts to the Property.

This document presents the monitoring and quality assurance project plan for a meteorological monitoring program to be implemented for Resolution Copper Company for a copper mine in Pinal County Arizona. The objectives of the monitoring program are to provide the measurements necessary to establish meteorological conditions that affect the transport and dispersion of emissions from potential sources at the future Resolution facility.