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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 />q/z~(a ~ <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: ~- (p ~~ <br />a <br />Sediment level (% total storage) .1 S CA /~ <br />Outflow (cfs): ~._f/ (1 ~ lf'bi0 /~1~(n <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rigs & Gullies on Embankments / <br />Inadequate Vegetation '~ <br />Outlet Channel Erosion _/ <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling _7 <br />Cracks or Slides _ <br />Seepage °~ <br />Other <br />APPURTENANT STRUCTURES: <br /> ' <br />Defective Spillways ° <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL CI <br />MAINTENANCE <br />is/documenVgrtlypnd/Pondinsp.doc <br />