Documents

This Technical Memorandum presents the first update of the Groundwater Assessment prepared by Golder Associates Inc. (Golder) on behalf of Resolution Copper Mining Company LLC (RCML). This work is required as part of the Area-Wide Aquifer Protection Permit (APP) No. P101703, for the West Plant Site (Figure 1). Specifically, this Technical Memorandum partially fulfills APP Compliance Schedule Item (CSI) No. 2.

Resolution Copper Mining, LLC (Resolution or RCM), proposes to continue previously approved exploration operations and conduct various new activities associated with the planning stages for copper mining within Tonto National Forest.

The regulations in this subpart set forth a process for developing, adopting, and revising land and resource management plans for the National Forest System as required by the Forest and Rangeland Renewable Resources Planning Act of 1974, as amended (hereafter, RPA). These regulations prescribe how land and resource management planning is to be conducted on National Forest System lands.

Apache Leap South End Parcel. Web Soil Survey (WSS) provides soil data and information produced by the National Cooperative Soil Survey.

The mining community of Superior is situated in a fault-formed basin in the central part of the area. Rugged landscape southwest of Superior is commanded by Picket Post Mountain, which is an eroded volcanic vent; the remnant of a once extensive volcanic pile.

FSM 5400 - Landownership

Chapter 5430 - Exchanges

Phase I Environmental Site Assessment (ESA) for approximately 110 acres referred to as Apache Leap South End.

This technical memorandum has been prepared to summarize results of drilling and construction at hydrologic test well DHRES-14. DHRES-14 is located east of Devils Canyon, between the Devils Canyon Fault and JI Ranch Fault. The well was installed to characterize hydrogeologic conditions and provide a monitoring location in the Tertiary Whitetail Conglomerate and Precambrian Pinal Schist. Monitoring data obtained from DHRES-14 will be incorporated into the RCM hydrologic monitoring program.

Arizona hedgehog cactus surveys conducted in conformance with the monitoring requirements of the Resolution Copper Mining Pre-feasibility Activities Plan of Operations and the Tonto National Forest's Finding of No Significant Impact.