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<br />OPERATOR: <br />• MINE: <br /> <br />TWENTVMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />l ~/~/ rl ~ <br />POND C <br />DATE OF IIVSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />RISER CREST = 68fi4.4; LOWEST HOLE = 6862.3 <br />REFERENCE ELEVATIONS: <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: _T <br />Sediment level (% total storage) L S °/o <br />Outflow (cfs): _~ <br />u <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments / <br />Inadequate Vegetation <br />Outlet Channel Erosion J~ <br />Burrows t/ <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 i/ <br />Other <br />. MAINTENANCE <br />ADDITIONAL COMMENTS: q " ~nc w Cc ~ F / <br />is /documml/grtlypnd/Pondirup.doc <br />