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n') - r r S?-?) -Z y,// <br />A <br />Cripple Creek & Victor Gold Mining Company <br />A Joint Venture ANGLOGOLD ASHANTI (COLORADO) CORP. Manager <br />Operations Office <br />P.O. Box 191 100 North 3"1 Street <br />Victor, Colorado 80860 <br />(719) 689-2977 - Fax (719) 689-3254 <br />SENT CERTIFIED, RETURN RECEIPT REQUESTED <br />7006-2150-0005-2770-4451 <br />April 14, 2009 <br />Mr. Berhan Keffelew <br />Senior Environmental Protection Specialist <br />` Colorado Department of Natural Resources <br />Division of Reclamation, 1viining and Safety <br />Office ol'Mined land Reclamation <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80201 <br />Reference. Cripple Creek & Victor Gold Mining Company. <br />Cresson Project Phase 5 Construction <br />vAubject: AMEC Request fix information (RFI) No. 090601-A-CCV-R(H)15 <br />Dear Mr. Keffelew: <br />Cripple Creek & Victor Gold Mining Company ("CC&V") is hereby providing a copy of a response from Mr. John <br />Lupo with AMEC Earth and Environmental (AMEC) dated April 9, 2W9 and accepting a modified Plasticity Index <br />(PI) fir three (3) of the twelve (12) aggregate materials associated with the Phase 5 Valley Leach Facility (VLF) <br />specification. <br />As noted on the response, these modified PI for aggregate materials are for the Fine Shalt Baekfill WSW, Pipe <br />Bedding and Granular Filter and does not request modification to the remaining 9 aggregate materials, including the <br />Soil Liner Fill (SLF) aggregate. Per John Lupo's approval letter, these acceptable Pls will not have a significant <br />affect on the performance of these materials in the Phase 5 VLF design, and as such, CC&V is moving forward with <br />implementing this approved modification for the project. <br />Should you have any questions, please do not hesitate to contact ne at (719) 689-4055. <br />Sincerely. <br />? is LvVt ? C37?-- <br />Timm Comer <br />Chicf Environmental Cnn'dlna101 <br />FnClusures: AMEC Response to RFI No. No. 090001-A-CCV-80015