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~ ~ ~ ~ ~ ~~UU [ Geote<hnical /Environmental Engineering • Materials Testing January 17, 2003 RE~.N ~ A ~Ep Twentymile Coal Company 29515 RCR #27 JAN 2 3 2003 ' . Oak Creek, CO 80467 ,- Attn: Mr. Rick Mills GivisionofMineralsandGeology Job Number: 99-3983 Subject: Quarterly Observation Report, Refuse Pile, Foidel Creek Mine, Routt County, Colorado. Gentlemen: As requested, NWCC, (nc. (Northwest Colorado Consultants, [nc.) has prepazed this letter outlining our observations made during the fourth quarter of 2002 at the Refuse Pile, which is located at the Foidel Creek Mine in Routt County, Colorado. During this quarter, we visited the project site on November 5 and December 24, 2002 to provide our quarterly observations. A[ the time of our site visit on November 5, 2002, we met with Mr. Rick Mills of Twentymile Coal Company to observe the conditions at the Refuse Pile. At the time of our visit, it appeared that the majority of the refuse materials (waste coal) that were being produced were being placed and compacted along the west edge of Area 2. At the time of this visit, we also noted that the erosion channels that we had observed during the last quarter had been repaired and the drainage conditions along the backside of the first bench in Area 1 had been improved. It should be noted that we did observe some water ponded along [he extreme western edge of Area 2. We advised Mr. Mills that this area should be regraded so [hat water is not allowed to pond. At the time of our site visit on December 24, 2002 i[ appeared that [he waste coal materials that were being produced were being stockpiled in the east half of Area 2. I[ also appeared that some additional grading had occurred along [he extreme western edge of Area 2 to remove the ponded water. However, our observations were limited due to the 3 to 6 inches of snow covering the ground surface. The water levels in the monitor wells installed on October 23, 1997 and December 9, 1999 were measured during this quarter on a monthly basis. A table and graph showing the monthly water levels is attached. We were advised that approximately 26,700 / produced approximately 26,600 cubic yards of waste coal in October; in November and approximately 25,200 cubic yazds in December. This report fulfills tt}~/quarterly inspection requirements as specified by Rules 4.09.1(il)(a) and 4.10.2(2)(a). If you h.^s^jf/any qu Ions regarding this report or our observations, please contact this office. Brian D. Len, P cc: Tom Kalden (970) 879-7888 • Fax (970) 879-7891 • nwccl Qmindspring.com 2580 Copper Ridge Drive • P.O. Box 775226 • Steamboat Springs, CO 80477