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QUARTERLY COAL WASTE BANK INSPECTION REPORT <br />CDMR Rules 4.09.1(11) and 4.10.2(2) <br />Mine: Picketwire Processing, LLC <br />Waste Bank MSHA ID. No.: DeveloF <br />Inspection Period: Second Quarter <br />Inspection Date: 6/24/02 <br />General Description or Reference to Site Plan: <br />The Development Waste Disposal Area is located south of State Highway 12 and west of <br />the main facility Access Road. It is adjacent to and north of the Middle Fork of the <br />Purgatoire River. The area has been used for disposal of waste rock from the underground <br />mine. Since mine closure in 1989, the area has been used for disposal of sediment removed <br />from ponds and ditches located within the mine permit area. <br />Activity During Inspection: <br />The site was inactive during the inspection. Several loads of sediment from ditch clean-out <br />had been placed on the upper level of the disposal area (approximately 50-75 tons). The material <br />had been spread to a thickness of approximately one (1) foot to facilitate drying. <br />Drainage: (Discussion of springs. seeps, overland and channel flow, underdrain construction and/or <br />tlischarge, integrity of 100-year 24-hour drainage structures, and evidence of positive drainage). <br />Positive drainage is maintained on the surface of the DWP. No evidence of springs nor seeps <br />was observed. <br />Observation of Fill Construction: (Description of material, compaction, lift thicknesses, slopes, <br />and construction methods). <br />As noted above, several loads of ditch sediment had been placed and spread on the pile. <br />Page 1 of 2 <br />