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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 />POND T <br />RISER CREST = 6907.9; LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~ ~ X07 ~S~i9ErJ ('dr/d iP.1: "~ Idt~l~) <br />Sediment level (% total storage) ~~ ((' e~l/l~~(U ~. <br />Outflow (cfs): /t7 (f /'~tl v~! <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments / /U <br /> d'~ <br />made uate Ve elation <br />4 g <br />std yJ ~~~/C re <br />Outlet Channel Erosion ~ <br /> _ <br />1/ <br />Burrows <br />Other _ <br /> <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides ~ /U(~~.~Ndv/ <br />S '/ Ccf/eYe~ <br />eepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged ~~ <br />Faulty Gates, Baffles, Pumps ~ <br />Other <br />ADDITIONAL <br />MAINTENAN( <br />is/documenUgrtlypnd/Pondinsp.doc <br />