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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 />~/r 3/a ~ <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: `'L r: ~~ <br />cr _ <br />Sediment level (% total storage) c' <br />Outflow (cfs): 3.t~~~~ C' . ~ n,~'. ~( /ti', <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ~ ,Sjj (f ~ ~' /~-~/ <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br /> <br />:r <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />~~ <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps ~ <br />Other <br />ADDITIONAL <br />MAINTENAN( <br />is/document/grtlypnd/Pondinsp.doc <br />