Documents

The purpose of this memorandum is to summarize pertinent information gathered in response to these public statements.

The objective of this overview was to identify the nature and extent of previous cultural resource investigations and documented cultural properties within the proposed undertaking’s Area of Potential Effects.

The 2012 edition of this manual provides electric utilities, wildlife agencies, and other stakeholders with guidance for reducing bird collisions with power lines based on the most current information.

U.S. Department of Agriculture’s April 17, 2025 response letter to Advisory Council on Historic Preservation (ACHP) letter dated March 29, 2021 on the Resolution Copper Project Section 106 Consultation and Programmatic Agreement.

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.

Carrichtera annua (Ward's weed) is an annual herb (family Brassicaceae) with white to yellow flowers and hairy lobed leaves found in the south coast ranges of California.

Contrast of Phoenix and Tucson’s different approaches to urban water management—Phoenix leaning heavily on supply augmentation and growth-first policies, while Tucson adopted earlier and more aggressive conservation strategies—highlighting how these divergent paths shape their sustainability and resilience in a water-scarce desert environment

As the worsening drought crisis continues to impact communities across the West, the Department of the Interior today announced urgent action to improve and protect the long-term sustainability of the Colorado River System, including commitments for continued engagement with impacted states and Tribes.

The purpose of the withdrawal requested is to protect the lands pending conveyance to the Town of Superior (Town), Pinal County, Arizona as directed by Congress.