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R2NCORPORATED <br />ENVIRONMENTAL AND ENGINEERING SERV? <br />STRATEGICALLY POSITIONED-TECHNICALLY PREP/ <br />MAY DAY IDAHO MINE COMPLEX <br />WILDCAT MINING CORPORATION <br />ORIGINAL 112(d) PERMIT <br />EXHIBIT G <br />Water Information <br />6.4.7 <br />J_ ERICH RAUBER.P.E. <br />6.4.7(1) Statement of Effect on Surface Water and/or Groundwater <br />Due to the proximity of operations to surface water, specifically La Plata River and Little <br />Deadwood Gulch and the handling of designated chemicals, there is the potential to impact <br />surface water. Procedures described within the Environmental Protection Plan (Exhibit T - <br />Designated Mining Operation) will minimize the potential to impact surface water. Wildcat will <br />comply with DRMS Water Requirements outlined in section 3 1 6 and 3.1.7. <br />Dry or submerged tailings are proposed to be disposed within the underground workings with <br />little opportunity to impact groundwater. Procedures described within the Environmental <br />Protection Plan (Exhibit T - Designated Mining Operation) will minimize the potential to impact <br />ground water. A summary of the hydrogeologic setting for the project area is presented in <br />Attachment G-1 <br />6.4.7(2) Affected Surface/Groundwater <br />(a) Map <br />The surface water bodies within the permit boundaries, and adjacent to, are presented in <br />Figure C-6, Exhibit C. <br />(b) Known Aquifers <br />The permit area is located at the northern boundary of the San Juan Hydrogeologic Basin <br />(Topper et al., 2003). The Morrison Aquifer is the only hydrogeologic unit of the San <br />Juan Basin present within the permit area. All of the water wells that were identified <br />within a 2-mile radius of the proposed May Day Idaho Mine Complex boundary are <br />completed in the Mancos Shale, the Dakota Sandstone or the Morrison Formation. There <br />are no production or monitoring wells currently completed in the permit area <br />May Day Idaho Mine Complex 112(d) Permit Application <br />September 21, 2010 <br />"Strategically Positioned - Technically Prepared" <br />5555 DTC Parkway Suite A-4000, Greenwood Village, Colorado 80111 <br />Phone: (303)832-7664, Fax: (303)832-7469 <br />GEORGE M.L. ROBINSON.P.G.