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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 />MEMORANDUM <br />TO: <br />FROM: <br />SUBJECT: <br />DATE: <br />JANET BINNS <br />ROB ZUBER, KENT GORHAM gt, <br />COLOWYO PR -03, SECOND ADEQUACY RESPONSE <br />JUNE 23, 2011 <br />Please find below our response to the adequacy review responses received from Colowyo <br />Coal Company (CCC) dated May 20, 2011 for Permit Revision No. 3 (PR -03). Our response <br />is organized using the Rule heading format and question number of our original adequacy <br />letter and the second adequacy review letter of April 22, 2011. <br />Rule 2.04.7 Hydrology Description <br />1. The response is adequate. <br />2. No additional response was needed. <br />3. The application remains inadequate. DRMS previously asked CCC to please provide <br />evidence that demonstrates Colowyo owns or controls wells owned by others. This <br />evidence was not provided. <br />Rule 2.04.7(3) Alternative Water Supply Information <br />STATE OF COLORADO <br />1. The application remains inadequate. DRMS previously asked for estimates of the <br />cone of depression to reflect what impacts may occur to registered owners of wells in <br />the proposed permit and adjacent area. A simple conservative calculation using the <br />Theis equation or similar method will suffice. <br />Rule 2.05 - Operations and Reclamation Plan <br />1. No additional response was needed. <br />Office of <br />Mined Land Reclamation <br />COLORADO <br />DIVISION OF <br />RECLAMATION <br />MINING <br />- &- <br />SAFETY <br />Office of <br />Denver • Grand Junction • Durango Active and Inactive Mines <br />