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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 />4,/27/© 7 <br />POND E <br />RISER CREST = 6843.4: DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water IeveL• ~ tY ~ ~ ~YCI _ (~ <br />Sediment level (% total storage) ~S %; <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES N% <br />Rills & Gullies on Embankments <br /> / <br />Inadequate Vegetation <br />Outlet Channel Erosion ~ <br /> ~ <br />Burrows <br />Other <br />STRUCTURAL: <br />Ditl'erential Settling ~ <br />Cracks or Slides <br />Seepage <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 />