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S <br />. .~ <br />CTLITHOMPSON, INC. <br />CONSULTING GEOTECHNICAL AND MATERIALS ENGINEERS <br />February 3, 1984 <br />Colorado Yampa Coal Company <br />P.O. Box 774428 <br />Steamboat Springs, Colorado 80477 <br />Attention: Mr. Mike Kondelis <br />Subject: Quarterly Inspection <br />Excess Spoil Disposal Area I <br />Eckman Park Facility <br />Job No. 9961 A <br />Gentlemen: <br />As yov requested, we irupected Excess Spoil Disposal Area I on January 20, 1984. <br />The purpose of our inspection was to look for evidence of slope instability and to <br />determine if the spoil had been placed in general conformance with the design. <br />The outslopes of Spoil Disposal Area I were covered with snow at the time of our <br />inspection. There was no evidence of slope failures. No spoil had been placed <br />since our last inspection in November 1983. The top of the spoil had been graded <br />relatively level and topsoil hod been spread over the surface. Mr. Konoelis told us <br />that riprop had been placed in the diversion ditch south of the spoil. <br />Based upon our inspections of Excess Spoil Disposal Area I, we believe that this <br />facility is being constructed in general conformance with the design. The spoil <br />appears to be stable. <br />If we can be of further service in discussing the contents of this letter or our <br />observations, please call. <br />Very truly yours, <br />CTL/THOMPSON, INC. <br />By C <br />~ TYl`Y~I C~..P~-J~ : . <br />onal c m er, <br />Reviewed by:, <br />Robert W. Thompson, P.E. President <br />RMM:RWT:gI <br />(5 copies sent) <br />1971 WEST l2Tr-i qV ENUE DENVER, COLORADO B02pa (303) 8250777 <br />