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.~ <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />31~;1O`~ <br />POND T <br />RISER CREST = 6907.9; LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approzimate water level: '~ by <br />Sediment level (% total storage) ~~ <br />Outflow (cfs): /10 ~©w <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments !/ <br />Inadequate Vegetation v <br />Outlet Channel Erosion c/ <br />Burrows <br />Other / <br />STRUCTURAL: <br />Differential Settling ~ <br />Cracks or Slides ~G <br />Seepage 1G <br />Other _~ <br />APPURTENANT STRUCTURES: <br />Detective Spillways _J~ <br />Dewatering Device Clogged <br />Faulty Gates, Battles, Pumps / <br />Ocher _~ <br />ADDITIONAL CI <br />MAINTENANCE <br />iJpondlgnlypnd/Pondinsp.doc <br />