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i <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />t~I~ I~~ <br />POND C <br />RISER CREST = 6864.4; LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: c ~a~// ~ 1~~~ ~~ <br />Sediment level(% totalstorage) ~ J~~/J <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion V <br />Burrows <br />Other <br />i/ <br />STRUCTURAL: <br />Differential Settling 1/ <br />Cracks or Slides <br />Seepage <br /> <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways ~ <br />Dewatering Device Clogged L/ <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL <br />MAINTENANC <br />is/documenVgrtlypnd/Pondin sp.doc <br />