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ATCOLORADO <br />Division of Water Resources <br />- Departmeru of Natural Resources <br />May 9, 201' <br />Jason McGraw <br />General Shale <br />1845 W. Dartmouth Ave. <br />Denver, CO 80110 <br />VIA EMAIL <br />RE: Wiesner Property Sediment Pond <br />Mr. McGraw: <br />Thank you for the information provided for the above existing sediment collection pond that was <br />constructed as part of your mining operation in Elbert County. Given the pond is not located on a <br />natural drainage, is mostly below grade, and does not expose groundwater no other formal approvals are <br />required. <br />If you have any questions, please call. <br />Sincerely, <br />L &eAp— <br />V <br />John Batka, Dam Safety Engineer <br />Dam Safety Branch <br />810 Th Street, Suite 200, Greeley, CO 80631 1 P 970.352.8712 I F 970.392.1816 I www.water.state.co.us I Ft s <br />John W. Hickenlooper, Governor I Robert Randall, Executive Director I Dick Wolfe P.E., State Engineer I David Nettles P.E., Division Engineer * i <br />• w <br />