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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 />27(0 7 <br />POND T <br />RISER CREST = 6907.9; LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~ 6fl O `f. Cl <br />0 <br />Sediment level (% total storage) ~ /f7 ,/`o /~ <br />Outflow (cfs): /V tl 7"~T ~a <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments / <br />Inadequate Vegetation ~ <br />Outlet Channel Erosion ~ <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling /~ <br />Cracks or Slides / <br />Seepage 1~ <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged // <br />Faulty Gates, Baffles, Pumps / <br />Other <br />ADDITIONAL C( <br />MAINTENANCE <br />is/documen~grtlypnd/Pondinsp.doc <br />