Documents

This report presents a flood-duration flow frequency analysis for selected durations (1 day, 3 day, 7 day, 15 day, and 30 day) at 173 streamgaging stations throughout Arizona and in western New Mexico.

The proposed Resolution Mine presents a number of socioeconomic issues which required research, analysis and modeling. This report provides greater detail and documentation regarding the socioeconomic effects that will be summarized in the Draft EIS.

This report deals with the potential impacts of noise and vibration on the Apache Leap Special Management Area (SMA) due to the construction and operation of the proposed underground inclined conveyor system for the Resolution Copper facility.

The 2012 Edition is the result of an evolution of design philosophy and will be updated as required to reflect current design issues and approaches.

Roads, urbanization, canals, railways, energy corridors and activities of illegal migrants and border security operations not only destroy habitat, but create barriers that isolate wildlife populations and disrupt ecological functions such as gene flow, predator-prey interactions, and migration.

Mining company Samarco and its owners, BHP Billiton and Vale SA, reached a deal with the Brazilian government on Wednesday to pay an estimated 20 billion reais ($5.1 billion) in damages over 15 years for a deadly dam spill in November.

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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.

A weed is an unwanted plant, and people have lived with and combated unwanted plants since the dawn of agriculture, or perhaps even earlier.

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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.

Water balances models have been developed for each alternative. These water balance models have been augmented by the addition of chemical balances. The purpose of this memo is to provide a description of the predictions of the chemical balance and resulting solute chemistry for Alternative 2.