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OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />41 f <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: <br />a <br />Sediment level (% total storage) /d <br />Outflow (cfs): (?C/CI (? ht6 k?? <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embanknnents y <br />Inadequate Vegetation ? ?O ?* S /?O ?? <br />Outlet Channel Erosion <br />Burrows <br />Other <br /> <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br /> <br /> <br />APPURTENANT STRUCTURES: <br />ADDITIONAL C <br />MAINTENANCE <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br /> <br />h2l <br />is/document/grtlypnd/Pondinsp.doc