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iii iuiiiiiiiiiiiiii <br />~~ ENGINEERING & SURVEYING COMPANY <br />BOX 674 • 443 DODGE • DELTA, COLORADO 81418 • 303-874-7593 <br />5489-SOMERSET-1990-Gob ~~~~~po~p~y <br />JUL ~ 139u k~ <br />June 29, 1990 hANUEC,i Ltiiv., <br />prr~~ n~~nTinh~ r„~,....„, <br />Mined Land Reclamation Division <br />Department of Natural Resources <br />1313 Sherman Street - Room 215 <br />Denver, Colorado 80203 <br />Attention: Susan Mallory <br />Re: Somerset Coal Mine <br />Mine Development Waste Disposal Pile Inspection <br />On Thursday, June 21, 1990, UTE ENGINEERING AND SURVEYING COMPANY <br />performed an inspection of the Waste Disposal Area at the Some- <br />rset Mine. Our last site inspection was December 22, 1989. <br />Since the last inspection approximately 3,400 tons of waste <br />material has been added to this pile. <br />The Waste Disposal Area is being constructed by placing under- <br />ground mine waste in lifts less than 2 feet in thickness. The <br />lifts are dozed uniformly across the Waste Disposal Area and are <br />well compacted with the dozer. The side slopes of the compacted <br />waste match the existing slopes of the Waste Disposal Area. <br />These side slopes are 3:1 on the average. <br />I, E. LeRoy Black, P.E. & L.S. 10513, a Registered Professional <br />Engineer in the State of Colorado, do hereby certify that I have <br />inspected the Waste Disposal Area at the Somerset Mine and that <br />construction of the Waste Disposal Area is in compliance with <br />Somerset Mine Permit C-022-81. This inspection report is for the <br />second quarter of 1990. <br />If you have any qu~~r~.5~ease call. <br />~` 10513 l~ <br />E. LeRoy Black "~\`„\~c ~t~ /~o i <br />ELB:Iml D:HD Bea~l<6,~\1/•~~ <br />Copy to: Somerset Co~'f° fipany <br />