Documents

Bureau of Land Management's (BLM) review included several comments on the Tailings Storage Facility (TSF) design related to stormwater management. This letter provides clarifications and information on the TSF stormwater management design to address the BLM comments.

We, the U.S. Fish and Wildlife Service (Service), designate critical habitat for the northern Mexican gartersnake (Thamnophis eques megalops) under the Endangered Species Act of 1973 (Act), as amended.

2016 survey for the yellow-billed cuckoo (YBCU; Coccyzus americanus) at four sites in the vicinity of the Resolution Copper Project.

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Grazing Permit for Devil's Canyon Allotment

This 2021 Edition of the Roadway Engineering Group Roadway Design Guidelines supersedes the 2012 Edition and incorporates the 2014 revisions along with several new revisions affecting bicycle and pedestrian accommodations, passing sight distance, barrier treatments, land and shoulder widths, fencing, design vehicles, and detours.

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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.

The U.S. Department of Agriculture has approved $10 million to help pay for water projects in the farmlands of central Arizona, where growers are bracing for their supply of Colorado River water to be shut off.

But those funds, conditionally awarded this month by the Natural Resources Conservation Service, are still subject to negotiations between federal and state officials.

Email from Victoria Peacey (Resolution Copper) to Chris Garrett (SWCA)