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Regional Screening Levels (RSLs) - Generic Tables

Application and Authorization Process

Location, Culture, and Transportation

The Superior mining area is in northeastern Pinal County, Arizona (Fig. 1). The area was officially organized as the Pioneer mining district but is better known as the Superior mining area.

Superior, the principal settlement within the area, in 1940 had a population of about 5,000, depending principally upon operations of the Magma Copper Company. The old town of Silver King, now largely deserted, was at the Silver King mine, in the northern part of the area shown on Plate I.

I am here today to advocate for my land, my culture, and my home, on behalf of the next generation and the generations that will come after me.

Response to GS-4: Provide input on alleged missed faults (lineament analysis) and whether they were incorporated into subsidence modeling.

The purpose of this process memorandum is to provide a summary of the geographic information system (GIS) spring coverage that SWCA created for the Resolution Copper Project (Resolution).

Meeting minutes for Resolution All Things Water Working Group January 23, 2020

The overall purpose of this study is to investigate the potential geomorphic impacts to Dripping Spring Wash downstream from the Skunk Camp TSF project.

Technical memorandum with review and classification of alternatives to block caving, literature review, review of other pertinent block caving operations world-wide, an estimate of the total tons of potentially mineable material, projection of the tons vs cut-off grade (COG) line to other COGs, and discuss possible realistic alternative mining methods which may be utilized instead of block caving.

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