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• <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />WASTE WATER TREATMENT POND # 2 <br />BERM CREST = 6858.5; BOTTOM POND = 6848.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 5-0 <br />Sediment level (% total storage) IL ? `) e S <br />Outflow (cfs): III_ed 6 fytp'. C4!4. <br />• <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments V <br />T:? <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br /> <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides v <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways t/ <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />• <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REOUIREE <br /> <br />INSPECTOR: <br />i:/document/grtlypnd/Pondinsp.doc