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~F <br />III IIIIIIIIIIIIIIII <br />999 <br />March 26, 1981 <br />K`U~ <br />MAR 3 01981 <br />MIIVkD LAND )IECIAMATION;COA~' <br />CO{A, DEPT OF LIATURFJ. RESOURCE_5 <br />Mr. James Herron <br />Colorado Department of Natural Resources <br />Division of Mined Land Reclamation <br />423 Centennial Building <br />1313 Sherman Street <br />Denver, CO 80203 <br />SNOWMASS COAL COMPANY <br />Denver Ollice: Suite 2300 <br />410 Seventeenth Street <br />Denver, Colorado 80202 <br />(303) 8251986 <br />Mine O!lice: P.O. Box 980 <br />Carbondale, Colorado 87623 <br />(303) 963-3440 <br />RE: Conveyor Corridor Construction Ramp located at the Snowmass Coal <br />Company Loadout Facility <br />Permit No. 77-313 <br />Dear Jim: <br />T am writing this letter to provide you with additional information concerning <br />the conveyor corridor ramp you observed during your last site inspection on <br />March 16, 1981. <br />The ramp was constructed from the higher terrace to the lower terrace to <br />provide a means of moving heavy equipment, conveyor tube sections, and <br />other associated conveyor construction traffic along the conveyor corridor. <br />Initially, a woven fabric stablization mat was laid out along the lower <br />terrace from the toe of the slope out to the intended toe area of the ramp. <br />The type of stablization mat used is designed to stablize soft, wet soil <br />surfaces and is frequently used to construct highways and railroads through <br />soft, marshy areas. The thick woven fabric creates an impenetrable barrier <br />between the soil materials above and below the mat. <br />Rocky material from the upper terrace was then pushed out and spread over <br />the mat to create a ramp with a gradual incline. <br />Following completion of the conveyor construction, the rocky material will <br />be pulled back to the upper terrace and compacted into its original contour. <br />The fabric mat will be removed from the site. <br />All possible precautions will be taken to avoid distrubance of the marshy <br />topsoil layer of the lower terrace. <br />1 <br />