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~, ~ III IIIIIIIIIIIIIIII <br />TuttleApplegate,inc. <br />Consultants for lead, Minerals, end Water <br />September 22, 1999 RFCEIVFq <br />~~' 2 3 1SS9 <br />Ms. Erica Crosby <br />Division of Minerals and Geology Division of Mloefais 8 ~~„„,t;; <br />1313 Sherman Street, Room 215 <br />Denver, Colorado 80203 <br />RE: Jake Kauffman & Son, Inc.; Wagner/Kauffman Pit #3; Permit No. M-99-069 <br />Adequacy Response #2 <br />Dear Ms. Crosby: <br />The following information is being submitted on behalf of our client, Jake Kauffman & Son, Inc., <br />in response to additional comments from you for the above mentioned application. Our <br />responses are again in the same order as your comments/concerns. <br />The applicant is aware of the current regulations regazding the excavation and filling of <br />wetlands. Appropriate permits will be obtained for regulated impacts to wetlands. <br />The operator will not expose groundwater prior to obtaining the appropriate permits from <br />the Office of the State Engineer. <br />Copies of the ownership change information for wells #6 and #7 were faxed to your <br />office on September 13, 1999. Another set is included herein. <br />4. The following information is in response to your comments regazding the Slope Stability <br />Study conducted for this application: <br />The depth of the dewatering trench is approximately two feet below the bedrock/gravel <br />interface, This depth vazies slightly from the upgradient end to the downgradient end to <br />make sure that water flows downhill. The width of the dewatering trench is <br />approximately 42 inches. This is the width of the back-hoe bucket used for excavation. <br />The dewatering trench distance from the face of the excavation is dependant on the width <br />of the excavation. , <br />h <br />f 1990 Gant Sheer, Sane 304 • Deavey Colorado 80233 • (30352-6611 • Faa (303152-2759 <br />