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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 />1&2z4o <br />WASTE WATER TREATMENT POND # 1 <br />BERM CREST = 6871.5; BOTTOM POND = 6861.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: tel. b k q <br />Sediment level (% total storage) ?2 u4 LO red In .e/L zau-j <br />Outflow (cfs): .0(9 Gl K ?iw <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />CG'/ Q Y <br />Rills & Gullies on Embankments S <br />Inadequate Vegetation <br />Outlet Channel Erosion ?-?- 4l I S <br />Burrows C fj'r..j 6 J?1 N <br />y, 06 <br />Other YLS6'? +-?UGI <br />?eSTRUCTURAL: <br /> <br /> <br />Differential Settling <br /> / <br />Cracks or Slides <br /> <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps / <br />Other <br />ADDITIONAL <br />MAINTENAN( <br />0? ?e? dq . <br />(r V <br />is/document/grtlypnd/Pondinsp.doc