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III. COMMENTS -COMPLIANCE Below are comments on the inspection. The comments include discussion of observations made during the inspection. Comments also describe any enforcement actions taken during the inspection and the facts or evidence supporting the enforcement action. B. Scott Cowman Cowman) of Twentymile Coal Company (Twentymile) accompanied Byron Walker (Walker) of the Colorado Division of Minerals and Geology (Division) during this inspection. Photographs included in this report aze on file in digitized form at the Division, and will be provided to Twentymile upon request. HYDROLOGIC BALANCE All impoundment structures were in good repair. There was water in all of the ponds except for Pond C. Other observations are as follows: Im oundment Identification Dischaz e Comments Pond B 0.01 cfs estimate clear Pond C no dischaz e Pond D 0.02 cfs estimate cieaz Pond E no dischaz e Pond F no dischar e Pond G no dischar e Fish Creek Borehole no dischaz e Pond E (Fish Creek Tipple) 0.03 cfs (measured) clear. The aerators were not workin . Streams about the site were sampled for quality. See the map attached for measurement results. Walker was unaccompanied on this portion of the inspection. SUPPORT FACILITIES There was no change in the physical features at the NW Vent Shaft. A barb-wire fence had been constructed about the 18-Right Ventilation Shaft site, and achain-link fence had been constructed around the cover-plate placed over the shaft. Water was being taken from the cuttings impoundment and hauled by truck for discharge into a pond in the facilities area. GENERAL MINE PLAN COMPLIANCE Operations were in compliance with the mine plan. Underground mining was underway at Station 42+96 in the 17 Right Panel, NW mining district. EXCESS SPOIL AND DEVELOPMENT WASTE Backfill and cover of the cuttings had not been started at the impoundment at the 18-Right Ventilation Shaft. C-1982-056 CP Inspection of June 29, 2005, Page 3 of 4 pages. BGW