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STATE OF COLORADO <br />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 />COLORADO <br />D IV IS I ON OF <br />RECLAMATION <br />MINING <br />- St- <br />SAFETY <br />Bill Ritter, Jr. <br />February 4, 2010 Governor <br />James B. Martin <br />Scott Johnson Executive Director <br />Summit Engineering Company <br />P.O. Box 1897 <br />Alamosa, CO 81101 <br />RE: Robins Rock Pit; DRMS File No. M-2009-053; Adequacy Review - 03 <br />Dear Mr. Johnson, <br />The Division of Reclamation, Mining and Safety (Division) has identified several other <br />comments and questions that must be addressed prior to the Division's decision due date. Please <br />be advised that if you are unable to satisfactorily address any concerns identified in this <br />review before the decision date, it will be your responsibility to request an extension of the <br />review period. If there are outstanding issues that have not been adequately addressed <br />prior to the end of the review period, and no extension has been requested, the Division will <br />deny this application. <br />6.3.4 Exhibit D - Reclamation Plan <br />1. The Applicant has indicated the pit slopes will be reclaimed at 2H:1 V. Please specify the <br />method of reclaiming the pit walls to this grade. In addition, indicate if the final reclaimed <br />slopes will be benched and if so the approximate dimensions of the benches. <br />2. The Applicant has stated grading will be a part of the Reclamation Plan. As required by Rule <br />6.3.4(2), please specify the volume and push distances of the material to be graded. The <br />Division requires this information in order to calculate the Financial Warranty. <br />3. The Applicant has stated that mulch will be applied by hand and crimped with a light rubber <br />tired vehicle (ATV). Please clarify if the mulch will be spread by hand or distributed from an <br />ATV. <br />Office of Office of <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines