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DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866 -3567 <br />FAX: (303) 832 -8106 <br />November 23, 2011 <br />Daniel Bear <br />Bear Coal Company, Inc. <br />1326 War Emblem Lane <br />Rock Springs, Wyoming <br />82901 -7713 <br />Mined Land Reclamation <br />RE: Bear No. 3 Mine, Permit No. C- 1981 -033, Bear Coal Company <br />Technical Revision No. 29, Treatment Pond Bypass Pipeline, Adequacy Review <br />Dear Mr. Bear: <br />STATE OF COLORADO <br />The Colorado Division of Reclamation, Mining and Safety (Division) has completed its <br />adequacy review of Technical Revision No. 29 (TR -29) for the Bear No. 3 Mine. The Division <br />has the following comments and questions: <br />1. On Drawing 11 -4, please add a note that the pipelines from the treatment pond and the <br />pipeline that is proposed in TR -29 are buried. <br />2. Please consider realigning the intersection of the bermed ditch and the proposed pipeline <br />so that there isn't a sharp 90 degree turn, as is shown on Drawing 11 -4. <br />3. In the Pond Inlet Detail on Drawing 11 -4, please explain the meaning of the statement <br />"Gravel Pad Remaining after Reclamation ". The Division is not aware of any gravel pad <br />that is permitted to remain after reclamation. <br />4. In both the Primary Spillway Detail and the Emergency Spillway Detail on Drawing 11- <br />4, there is a designation of the "Sediment Pond Level" shown where the buried pipeline <br />from the treatment pond goes down in elevation and then back up. Please explain what <br />this designation represents and whether or not the buried pipeline actually dips down and, <br />then, back up. <br />5. On proposed revised pages 2.05 -ii and 2,05 -23, please add that the CDPHE approval and <br />a revised NPDES permit will also be obtained before the bypass pipeline is put into <br />service. <br />6. The last sentence on proposed revised page 2.05 -23 states that the pond's design <br />parameters can be found on page 11 -14. The Division's copy of the permit application <br />does not include a page 11 -14. Please provide a copy of page 11 -14. <br />COLORADO <br />D I V I S I O N O F <br />RECLAMATION <br />MINING <br />— &— <br />SAFETY <br />John W. Hickenlooper <br />Govemor <br />Mike King <br />Executive Director <br />Loretta E. Pineda <br />Director <br />Office of Office of <br />Denver • Grand Junction • Durango Active and Inactive Mines <br />