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- • <br />' ~ <br /> <br />STATE • III IIIIIIIIIIIIIIII <br />999 <br />OF COLORADO <br />DIVISION OF MINERALS AND GEOLOGY <br />Department of Natural Resources <br />I31 J Sherman St., Room 215 <br /> <br />Denvcr, Colorado 80203 I~~~~~ <br />Phone 003) A66~3567 <br />FA% (30118328106 <br /> DEPARTMENT OF <br /> NATURAL <br /> RESOURCES <br /> Roy Romer <br />April 14, 1995 Governor <br /> tames 5. Lochhead <br /> Eaeculive Direcor <br />Mr. Cecil C. Powell Micnae~e. L°ng <br />Division Director <br />P.O. Box 23 <br />Dinosaur, Colorado 80610 <br />RE: Adequacy Review, Powell's Gravel Pit, File No. M-95-012 <br />Dear Mr. Powell: <br />Listed below are adequacy review comments for the permit application <br />for Powell's Gravel Pit. The Division is required to make an approval <br />or denial decision no later than April 19, 1995 therefore, your <br />response should be submitted to the Division as soon as possible. If <br />you feel more time is needed to complete your reply, an extension to <br />the decision date can be granted by the Division upon receipt of a <br />written waiver of your right to a decision by April 19, 1995 and <br />request for additional time. <br />~1. Please specify the estimated dates that mining will begin and end. <br />/2. According to the location map, this site is apparently situated on <br />a ridge between East Twin Wash and West Twin Wash. Will either of <br />these receive drainage directly from the affected area? Will any <br />berms or sediment ponds need to be constructed? If so, please <br />show their location on the mining plan map and describe them <br />sufficient enough to calculate their reclamation cost. <br />i3. Please state the minimum average topsoil thickness which will be <br />replaced during reclamation. Please state your commitment to <br />replace all available topsoil or growth medium during reclamation. <br />~4. What is the thickness of the gravel deposit to be mined? Will any <br />waste rock be stockpiled and replaced during reclamation? If so, <br />how much? <br />,5. The mining plan indicates that reclamation will be concurrent with <br />mining. Please state the maximum area to be disturbed at any one <br />time. This includes the pit, stockpile and facility areas. What <br />will be the pit dimensions? What will be the total area disturbed <br />upon completion of mining? <br />