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OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND H)ENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />3~ZS~ay <br />POND F <br />RISER CREST = 6827.0; DEWATER HOLE = 6823.0 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~ (~ <br />Sediment level(% totalstorage) `J~a~J <br />Outflow (cfs): "G + ~ C s <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br /> / <br />Rills & Gullies on Embankments / <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Buttows <br />Other C~ <br />STRUCTURAL: <br />Dit7erential Settling <br />Cracks or Slides 1~ <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways (~ <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps / <br /> <br />Other / <br />v <br />ADDITIONAL COMMENTS: ~1h,9 l,!/ Ckkl,~P~(P <br />MAINTENANCE REQUIRED: `~,QT-e- , <br />is/ponNgrtl}-pnd/Pondinsp.doc <br />