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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 />~/T~ <br />POND FCT <br />RISER CREST = 55.0; DEWATER HOLE = 51.8 <br />~~~ i <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />n ~ <br />Approximate water level: I. Y \ /v~d / .>~~ . 92.E /- ~` oD ' 9Z-~ <br />Sediment level (% total storage) ~" /0- / ~ /rs 59-n„Z, ('ti f I"G r ~S <br />Outflow (cfs): ~ . Q / 3S <br />FEATURES PROBLEM COMMENTS <br /> <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments _/ <br /> <br />Inadequate Vegetation <br />Outlet Channel Erosion ~j <br />Burrows _// <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANTSTRU~TURES: <br />Defective Spillways JL <br />Dewatering Device Clogged ~/ <br />Faulty Gates, Baffles, Pumps ~~ <br />Other <br />ADDITIONAL <br />MAINTENANCE REQUIRED: V /P/,t /~ CAYG1 /yY~~ <br />INSPECTOR <br />Cif at/~t!/' Lr <br />1141/ ~07W2 <br />SGT, ~ v <br />is/pond/grtlypnd/Pondinsp.doc <br />