Documents

Response to Action Item GS-5. Provide input on specific assumptions made by Emerman related to uncertainty of subsidence modeling.

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Email communication with supplemental list of mitigation suggestions from public comments in draft EIS.

The evaluation reaffirms the conclusions of the DEIS that the National Ambient Air Quality Standards (NAAQS) will not be exceeded – including when using the mining-sector specific average silt content values recommended by EPA.

Five-Year Probabilistic Projections of future conditions in the Colorado River system currently extend through 2027. They are typically updated every January, April, and August, while probabilistic results for the 2-year period are updated every month. The 5-Year Probabilistic Projections are generated using the Colorado River Mid-Term Modeling System (CRMMS) in Ensemble Mode.

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.