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COLORADO <br />Division of Reclamation, <br />Av- Mining and Safety <br />Department of Datura! Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />March 26, 2018 <br />Tony Tennyson <br />Colowyo Coal Company L.P. <br />5731 State Highway 13 <br />Meeker, CO 81641 <br />Re: Colowyo Coal Mine (Permit No. C-1981-019) <br />Technical Revision No. 118 (TR -116) <br />Adequacy Review <br />Dear Mr. Tennyson: <br />After reviewing TR -118 adequacy responses from Colowyo Coal Company L.P. (Colowyo), the Division has <br />the following comments: <br />1. Item is resolved. <br />2. Item is resolved. <br />3. Item is resolved. <br />4. Item is resolved. <br />5. Item is resolved. <br />6. Item is resolved. <br />7. Item is resolved. <br />8. Division: Proposed Topsoil Pile 36A has been included in the cumulative bond schedule, Exhibit <br />13C. 97ren revietivingproposed Map 28C -- Topsoil Handling, all topsoil associated with proposed <br />Topsoil Pile 36A is to be stripped and placed back to the dated mining block- of 2022 - 2024. <br />However, as discussed with the pending Renewal No. 7 process, the Division will be bonding for all <br />disturbances associated with current disturbances as well as tip to the current permit term (years <br />2017 - 2021) with pending Renewal No. 7. Please provide the Division additional explanation for <br />the inclusion of Topsoil Pile 36A within Exhibit 13C. <br />Colowyo: The Division is correct in their assumption about Topsoil Pile 36A, and it should be <br />covered in the overall reclamation liabilityfar the entire mine site, but not far the cumulative bond <br />schedule or worst case scenario for the permit terms. There Topsoil Pile 36A has been removed from <br />Exhibit 13C Please removed Topsoil Pile 36A front the Exhibit 13C reclamation cost estimate also. <br />of . Coto <br />CM 0 <br />1313 Sherman Street, Room 215, Denver, CO 80203 p 303.866.3567 F 303.832.8106 http://mining.state.co.us I �* <br />John W. Hickenlooper, Governor i Robert W. Randall, Executive Director i Virginia Brannon, Director * { Is? <br />