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<br />iiiiiiiiiiiiiii hi <br />July 2, 1996 <br />i E;. ,,, <br />r• <br />Mr. Harry Ranney <br />w~z~« r~dstoio~do Colorado Division of Minerals and Geology <br />P.n. Box e7B 1313 Sherman St. Room 215 <br />N«i~,coi«xdoe~lll Denver. CO 80202 <br />rdepn«K 97aewares RE: Scheduled reclamation repair at New Horizon 1. <br />Fix 970/8617169 <br />Dear Harry: <br />r~~r~l~lED <br />JUL 0 6 1996 <br />Division of ivlinzrais & Geolug.t <br />With the recent concern about the reclamation at New Horizon 1, I wanted to <br />document a repair plan that will be implemented this fall. Since we began irrigating <br />at NH 1, we've experienced subsidence and settlement due to the additional weight of <br />the water. The enclosed Map, "New Horizon 1 Reclamation Repair Plan", outlines <br />our schedule of work to be completed. Reclamation repairs would commence this <br />fall, after the irrigation season is complete. Currently it is to wet and soft to use <br />rubber tired equipment without significant additional damage. <br />The Northern Highwall Crack became exposed from settlement of the fill material <br />under the additional water weight. To repair the developing crack, we will grade <br />material into the void so as to level the hill side and reduce visual impact. Then next <br />spring, reseed the disturbed area with the approved seed mixture and a cover crop of <br />oats. Until the un~ompacted fill stabilizes, this Highwall crack will be a problem for <br />a few seasons to come . <br />The drainage system through the center of the reclamation area also experienced <br />settlement due to the additional water weigh[ of irrigation. The repair work will entail <br />grading the drainage to have positive flow, reinforce the drainage channel for erosion <br />control and reseed with the approved seed mixture. <br />Western Fuels plans to continue irrigating the area to develop our rangeland grass <br />throughout the 1996 irrigating season. We also plan to irrigate next year on a limited <br />basis to begin weaning the grass off irrigation to restore it to a dryland pasture. <br />~ e~ Y" G ~""'~ <br />Tod L.eFevre <br />Sr. Mine Engineer <br />xc: File <br />