Documents

SWCA and TNF have completed reviews and analysis to determine whether reinitiation of Section 7 consultation under the ESA is warranted, and this technical memorandum outlines the various changes that could potentially warrant reinitiation of Section 7 consultation with the USFWS.

NatureServe is the definitive source for information on rare and endangered species and ecosystems in the Americas. This online guide provides information on the 100,000 species and ecosystems that we track.

This reclamation plan has been prepared for the pipeline route as required by Forest Service regulation 36 Code of Federal Regulations (CFR) 251.56 and to establish the basis for the reclamation cost estimate and financial assurance for the Special Use Authorization.

The purpose of this memorandum is to screen the Copper Creek Project for inclusion in the cumulative effects analysis and assess any cumulative effects with the Resolution Copper Project.

This Ecological Overview was prepared for approximately 160 acres (65 hectares) in Gila and Pinal counties, Arizona. The Dripping Springs parcel is a private inholding within the Bureau of Land Management (BLM) lands (and adjacent to Arizona State Trust Lands), located along the Dripping Spring Mountains about 8 miles (13 kilometers [km]) north of the town of Hayden.

This Record of Decision (ROD) constitutes the Department’s final decision after facilitating, analyzing, and considering public input over the past two and one-half years, during which the ongoing drought continued to focus nationwide attention on the Basin.

This study uses simulation-based life cycle assessment (LCA) together with a commercial flowsheet simulation program to compare several copper smelting technologies against each other when producing metallic blister copper from sulfide copper ore.

The decision is to adjust the 2007 Interim Guidelines for Lower Basin shortages and coordinated operations of Lake Powell and Lake Mead as described under Section IX of this 2024 Near-term Colorado River Operations ROD.

The following two new species of land snails were taken on a collecting trip in Arizona during October 1949 by M. L. Walton and the author. They belong to the families Camaenidae and Polygyridae, respectively.