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,r III IIIIIIIIIIIIIIII ~ <br />STATE OF COLORADO <br />MINED LAND RECLAMATION DIVISION <br />Department of Natural Resources <br />1313 Sherman St.. Room 215 <br />Denver, CO 80203 <br />303 866-3567 <br />FA K: 303 832-6106 <br />pF COO <br />~~~~$ <br />.C. <br />/H "!6 ~ <br />Roy Ramer, <br />Governor <br />J anuary 4 , 1991 Fretl R. Banta. <br />Division Director <br />Mr. Mark A. Heffner <br />37 E. Colorado Avenue <br />Denver, Colorado 80210 <br />RE: Adequacy Review of Solberg Pit Conversion, File No. M-81-044 <br />Dear Mr. Heffner: <br />The Division has comple~•ted its adequacy review of the above-referenced <br />conversion application. We only have two corunents as follows: <br />1. Page 17 Topsoil Protection Mixture-Broadcast <br />For a broadcast miuture the Division recommends approximately 80 seeds <br />per square foot. You may wish to double the proposed seed rate of the <br />"intermediate" and pubescent wheatgrasses or, to achieve a faster cover, <br />you might add 15 pounds per acre of the regreen hybrid. <br />2. More information i:: needed to determine if the reclamation costs are <br />adequate. <br />Specifically, the regrading costs per acre can not be determined without <br />knowing what the back or highwall angles are prior to the beginning of <br />regrading, and the height of the walls. Also, will these walls be <br />"knocked down" or will material be brought in as backfill. If <br />back filling is to tte done what will the haul distance be and what volumes <br />of material will bey needed? <br />If you have any questions about our concerns please feel free to contact us. <br />Sincerely, <br />Greyg R. S~uire ~ <br />Reclamation Specialist <br />GRS/scg <br />cc: Steve Renner <br />2588E <br />