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...)1( Greg Lewicki And Associates, PLLC <br /> 11541 Warrington Court Phone: (303) 346-5196 Fax(303)-346-6934 <br /> Parker,CO USA 80138 E-Mail: info@lewicki.biz p <br /> REDEWED <br /> March 18, 2016 <br /> MAR 2 4 2016 <br /> Michael Cunningham <br /> Colorado Division of Reclamation, Mining, and Safety DIVISION OF RECLAMATION <br /> 1313 Sherman Street, Rm 215 MINING AND SAFETY <br /> Denver, CO 80203 <br /> RE: Detroit City Mine; DRMS File No. P-2016-002; Notice of Deficiencies Response <br /> On March 16, 2016, Colorado Calumet Co., Inc. received the Division's notice of deficiencies for <br /> the Notice of Intent to Conduct Prospecting P-2016-002. Responses to each question posed in the <br /> Division's notice are addressed in line below. <br /> 1. Please provide the approximate elevation of the site as required under the General Description <br /> section of Form 1 and Form 2. <br /> The decline entrance is at 11,540' of elevation. <br /> 2. The Applicant has stated a 30"culvert will be installed on the access road at a point where it <br /> intersects an intermittent drainage. In addition, the Applicant has stated that disturbance <br /> associated with the installation of the culvert crossing will be revegetated. Given the short <br /> duration of the prospecting season in this area, it is highly unlikely vegetation will be <br /> established before the first season of prospecting is complete. Please describe what additional <br /> stormwater controls will be used to ensure topsoil and sediment is not washed down the <br /> drainage. <br /> Silt fences will be installed along the perimeter of the disturbed area related to the culvert. <br /> 3. Please specify the depth of material to be placed over the top of the culvert. A minimum of 1'of <br /> material should be placed on top of the culvert to ensure that it is not crushed when equipment <br /> crosses this portion of the road. <br /> Two feet of cover will be installed atop of the culvert. <br /> 4. The Applicant has indicated the access road will be improved through regrading. Please <br /> provide additional detail on the improvements to be made to the access road. What is the <br /> approximate current grade of the road and what will the final grade be? Will the road be <br /> widened as a result of grading? <br />