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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: '~~27~0 7 <br />SEDIMENT POND IDENTIFICATION: POND D <br />REFERENCE ELEVATIONS: RISER CREST = 6849.9: LOWEST HOLE = 6846.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: b ~y~ . 7 <br />Sediment level (% total storage) / n to <br />Outflow (cfs): Q , a OUCj ~ O, 0 / a f' t7d~C > <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ~ <br />Inadequate Vegetation !~ <br />Outlet Channel Erosion <br />Burrows <br />STRUCTURAL: <br />Other <br />Differential Settling t/ <br />Cracks or Slides ~ <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />ADDITIONAL <br />Defective Spillways _~ <br />Dewatering Device Clogged '~ <br />Faulty Gates, Baffles, Pumps f <br />Other <br />MAINTENANCE <br />is/documenUgrtlypnd/Pondinsp.doc <br />