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OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND mENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOB/)'EL CREEK MINE <br />o7J~/ <br />RISER CREST = 6907.9; LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~3 <br />Sediment level (% total storage) fG~d <br />Outflow (cfs): G <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 [~ <br />Other ~~ <br />APPURTENANT STRUCTURES: <br />Defective Spillways ~ <br />Dewateriog Device Clogged <-~ <br />Faulty Gates, Baffles, Pumps C~_ <br />Other <br />ADDITIONAL C( <br />MAINTENANCE <br />is/documenUgnlypnd/Pondinsp.doc <br />