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R21NCORPORATED <br />ENVIRONMENTAL AND ENGINEERING SERVICES <br />STRATEGICALLY POSITIONED-TECHNICALLY PREPARED <br />February 21, 2011 <br />Mr. Caleb Foy, E.I.T. <br />Department of Natural Resources <br />Office of the State Engineer <br />1313 Sherman Street, Suite 818 <br />Denver, CO 80203 <br />GEORGE M.L. ROBINSON.P.G. <br />1. ERICH RABER,P.E. <br />Re: May Day Idaho Mine Complex Response <br />(CDRMS File Number M-1981-185 located in Section 28, Twp 36N, Rng 11W, NM PM, La <br />Plata County-Permit Conversion Comments and Response to support a Pending Water Well <br />Permit) <br />Dear Mr. Caleb, <br />Wildcat Mining Corporation, owner and operator of the May Day Idaho Mine Complex, is in <br />receipt of your letter dated February 7, 2011 summarizing our need to comply with your regulatory <br />requirements. To that end the following addresses Wildcat Mining Corporation's commitment and <br />documentation to meet the State Engineer's project requirements. <br />Requirement #1 <br />If storm water is contained on-site, it must infiltrate into the ground or be released to the natural <br />stream system within 72 hours, or all work must cease until a substitute water supply plan, or <br />augmentation plan approved by water court is obtained. Reclamation plans must ensure water will <br />not be retained onsite for more than 72 hours unless an augmentation plan approved by water court <br />is obtained. <br />Response #1 <br />Wildcat Mining Corporation has applied and received approval for a water right and a flow <br />augmentation pond. Please see Attachment A (Wildcat Mining Water Right #06CW91) which <br />outlines the surface right, storage rights and approval of a plan for augmentation for water rights <br />on the La Plata River, in Water Division 7. <br />Requirement #2 <br />The proposed operation will consume ground water by ? evaporation? dust control, <br />11 reclam.ation,? water removed in the mined productLx] processing, other:. <br />Prior to initiation of these uses of the ground water decreed in Case No. 80CW133, the applicant <br />will need to permit the structure which is diverting ground water (May Day Mine Portal). <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