Documents

The purposes of this BE are: 1) to describe the physical and biological features of the Analysis Area, 2) to describe and map the plant communities, and 3) to identify the potential for special status species to occur within the Analysis Area.

This technical memorandum was prepared to summarize results of drilling, construction, and testing at hydrologic test well DHRES-09. The well was installed to characterize hydrogeologic conditions in the deep groundwater system west of the Concentrator Fault and east of the Main Fault, and to provide a monitoring point for the deep groundwater system during on-going dewatering operations. Monitoring data obtained from DHRES-09 have been incorporated into the RCM hydrologic monitoring program.

Arizona hedgehog cactus surveys were conducted within the Resolution Pre-Feasibility Activities area in conformance with the monitoring required by the Resolution Copper Mining Pre-feasibility Activities Plan of Operations EA and the Forest Service's Biological Assessment and Evaluation.

Phase I Environmental Site Assessment (ESA) for approximately 640 acres referred to as East Clear Creek. The property comprises the entirety of Section 9 in Township 14 North, Range 12 East relative to the Gila and Salt River Baseline and Meridian, in Coconino County, Arizona.

Flooding is among the worst natural disasters responsible for loss of life and property in Arizona, underscoring the importance of accurate estimation of flood magnitude for proper structural design and floodplain mapping. Twenty-four years of additional peak-flow data have been recorded since the last comprehensive regional flood frequency analysis conducted in Arizona. Periodically, flood frequency estimates and regional regression equations must be revised to maintain the accurate estimation of flood frequency and magnitude.

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.