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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 />l`2..?22./0 9 <br />POND T <br />RISER CREST = 6907.9: LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: qo ?f.f <br />Sediment level (% total storage) 5 ?(r) B/d er)` <br />Outflow (cfs): Ah Y%0 . <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: ?6e. ((yw M 4d f -h <br />MAINTENANCE REQUIRED: e 1e.4 e- ti/l,f <br /> <br />r <br />vlv 0 <br />INSPECTOR: W <br />i rJc Zap l U, <br />is/document/grtlypnd/Pondinsp.doc