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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~~ 7 <br />RISER CREST = 6864.4: LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~6r1'I, Z • 3 <br />Sediment level (% total storage) ~rr~~S/d <br />Outflow (cfs): JIItT 1•(D w <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 />Faulty Gates, Baffles, Pumps <br />Defective Spillways <br />Dewatering Device Clogged ~ <br />Other <br />ADDITIONAL <br />MAINTENAN( <br />is/documenUgrtlypnd/Pondinsp.doc <br />