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._ <br />Engineeri III IIIIIIIIIIIII III ; <br />oe~thwest Colorado Consultants, Inc. Mate 999 _ <br />29585 U.S. 40 West, P.O. Box 775226, Steamboat Springs, Colorado 80477 FAX 970-879-7891 <br />970-879-7888 <br />~~' -~2-os'~ <br />>F~ C,~k <br />RECEIVED <br />JUL 1 1 ~g95 June 26, 1995 <br />Bower Bros. Construction <br />Division of Minerals & Geology 595 Taylor Street <br />Craig, CO 81625 <br />Attn: Mr. Bud Bower <br />]ab No. 95-2296 <br />Subject: On-site Inspectioq Waste Coal Area, <br />Foidel Creek Mine, Routt County, Colorado. <br />Gentlemeq <br />As requested, Northwest Colorado Consultants, lac visited the project site oa June 21, 1995 to observe <br />and inspect the portion of the Coal Waste Area which had been stripped of topsoil. The extreme <br />northeastern end of the pile had been recently stripped It is our understanding that the contractor had <br />completed this portion of the topsoil removal on June 17, 1995. In additioq the portion of the pile <br />located immediately south of the recently stripped area had beta stripped of topsoil in the fall of 1994. <br />The area of topsoil which had been recently stripped is an area approximately 180 feet wide (east-west <br />direction) and 140' long (north-south direction). The portion of the pile which had been stripped in [he <br />fall of 1994 was approximately 180 feet wide (east-west duec[ion) and 800 feet long (north-south <br />dtrec[ion). The areas which had been stripped and inspected are shown on the attached Fgure #1. <br />It appeazed that appro~omately 18 to 7A inches of topsoil had been removed and the soils exposed in <br />the base of the excavations generally consisted of dark brown clays and/or weathered shale bedrock. <br />We did not observe any groundwater seepage in the stripped areas. In additioq we did not observe any <br />signs of unstable slopes in or above the areas stripped <br />Based on our observations, we believe [hat the portions of the waste coal pile which are noted above <br />have been adequately stripped of topsoil and the wns[ruction of the drainage systems can now be <br />started in this area. [t should also be noted that the sample of washed rock from the Thompson Pit and <br />submitted to our laboratory by Connell Resources, did meet the gradation spedfications for No. 67 <br />aggregate in accordance with ASTM C33. The gradation test results are also attached. <br />