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~ <br />' IIII IIII III <br />• <br />t III IIIII <br /> <br />y, Ine. <br />Weat Elk Coal Com (y <br />999 <br />Post Office Box 591 <br />Somerset, Colorado 81434 <br />Telephone 303 929 5015 <br /> RECEIVED <br />August 7, 1984 AUG 131984 <br /> NED WID R~tpIMTION DIVISION <br />Mr. Robert Liddle MI <br />Ca10. ~~, ai Natural Resources <br />CMLRD <br />1313 Sherman Street <br />Denver, CO 80202 <br />Dear Bob, <br />Re: Number I Ditch Proposed Landslide Repair <br />As noted during the June inspection, there are four (4) landslides across the <br />1/I undisturbed run-off ditch. Three (3) of the four slides stopped when they <br />intercepted the ditch. These slides have apparently become stable using the <br />ditch as support. It is proposed that the three (3) slides be left in Their <br />present locations and a new section of ditch be dug around The slides on the <br />ditch road (See Drawing "A"). The road and the existing ditch should be <br />stable (no movement in either of two (2) very wet years) and will support the <br />new ditch sections. <br />The fourth slide moved from above the ditch down the slope, thru the ditch <br />filling , over- Topping it and continued down the slope. The proposed repair <br />To this slide is again fo leave it alone, except for putting a twenty-four (24) <br />inch culvert ihru the slide aT the elevation of the existing ditch (See <br />Drawing "B"). This, when back-filled, will allow any further movement of <br />the slide, over the ditch, without disrupting the operation of The ditch. <br />These solutions will use the existing ditch to stabilize the slides and will <br />cause no further disturbance to the area. <br />Nate That there is no evidence of flow anywhere along this ditch even during <br />the record snow melt and rain this spring. <br />Should you have any questions or would like To discuss this further, please <br />call. <br />Sincerely, <br />Robert D. Bowman <br />Environmental Coordinator <br />RDB/jm <br />Attachments <br />AMCO o20a <br />