Documents

Phase I Environmental Site Assessment (ESA) for approximately 640 acres referred to as the East Clear Creek parcel.

This report presents the results of a site-specific probabilistic seismic hazard analysis (PSHA) and deterministic seismic hazard analysis (DSHA) for the proposed Skunk Camp Tailings Storage Facility (TSF) site in southern Arizona.

Request for formal consultation with the U.S Fish and Wildlife Service (FWS) pursuant to section 7 of the Endangered Species Act of 1973. Includes construction, operation, maintenance, closure and reclamation and special use permit for new transmission and pipeline corridors in Gila and Pinal counties, Arizona.

Request to join Groundwater Modeling Workgroup

This document, TIA Addendum #2, has been prepared in response to additional discussions and comments from USFS (United States Forest Service).

This technical memorandum provides Air Sciences Inc.’s response to Air Quality Action Item AQ1.

Response to "Document current conditions and expected conditions of discharge under AZPDES and exploration of discharges during transitional times of mine life."

Provides background on philosophy, processes, plant materials selection, site preparation, and seed and seeding equipment for revegetating disturbed rangelands, emphasizing use of native species.

Scenarios for the future of the Superstition Mountains

This report summarizes the results of the geotechnical and hydrogeological site investigations undertaken in 2018 and 2019 to further the current understanding and/or confirm foundation and seepage conditions for the site.