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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 />!l ~iY~~ 2 <br />RISER CREST = 6843.4; DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~i~ y3~ ys <br />Sediment level (% total storage)' o?° o~ <br />Outflow (cfs): L . G/ C <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 />Dewatering Device Clogged /~ <br />Faulty Gates, Baffles, Pumps /~ <br />Other ~ <br />ADDITIONAL Ci <br />MAINTENANCE <br />is/pond/gNypnd/Pondinsp.doc <br />