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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 />g/~~a ~ <br />RISER CREST = 6833.24; LOWEST HOLE = 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments _~ <br />Inadequate Vegetation <br />Outlet Channel Erosion !~ <br />• Burrows J/ <br />O[her <br />STRUCTURAL: <br />Approximate water level: G 6 (~3d . 3~ <br />Sediment level (% total storage) .~ CU Pt1~-. <br />Outflow (cfs): ~t ~d f/n W <br />Differential Settling _~ <br />Cracks or Slides <br />Seepage _~~ <br />J <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 />~c~n~14-( e(ecr/e.~cJ~ w~ca~sY- <br />,// bus h J ~/5vs ~' ti;~ <br />is/document/grtlypnd/Pondinsp.doc <br />