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<br />. i; <br />West Elk Coal Cor~any, Inc. <br />Post Otfice Box 591 <br />Somerset, Colorado 81434 <br />Telephone 303 929 5015 <br />June 16, 1983 <br />Mr. Robert G. Liddle <br />Mine Land Reclamation Division <br />Colorado Department of Natural <br />1313 Sherman Street, Room 423 <br />Denver, Colorado 80203 <br />Dear Mr. Liddle: <br />• III IIIIIIIIIIIII III <br />~ ~' ~~ ~h ~~ ~~ ~~ ~ <br /> <br /> <br />Resources <br />This letter is in response to your comments about <br />the sloughage visable on some of the slopes at <br />our Mt. Gunnison No. 1 Mine. <br />The causes for these slumps can be attributed to <br />the unusually wet winter and spring we;~ther creat- <br />ing an over-saturation of the soil .• As we see on <br />the evening news, this sort of thing i:s appearing <br />on slopes all over the western states this year. <br />The extent of the slumps at Mt. Gunnison can be <br />described as relatively small surf~::cia:L structures <br />covering areas up to about 100 feet i~1 radius and <br />about 10 feet in depth. These slue •.ps ~:~ccur in <br />several locations throughout the p:.ope.cty. New <br />slumps continued to appear as more rai.~ falls. <br />We have been monitoring these slum~:s aad have had <br />Geo-Hydro Consulting, Inc. on the ~-rop~~rty to help <br />us evaluate them. The slumps will be corrected by <br />one of the following alternatives: <br />1. Let nature seek its own ':~ rm :i.f no damage <br />is caused. <br />2. Recontour and revegetataa <br />3. Recontour, compact and re~egetate. <br />4. Remove fill, intall frelic::- drains, <br />recontour and revegeta.te. <br />5. Build a buttress, reconto_,r and revegetate. <br />nn~ rr722 <br />