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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 />~~~~~~ <br />POND C <br />RISER CREST = 6864.4; LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~ ~ ~ ~ L : 3 <br />o' <br />Sediment level (% total storage) •'~- -`~ nt P S'~'~ <br />Outflow (cfs): N~ ~<0 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 />1~ <br />f <br />,.,, <br />S c one, .5 ~ C a ~ ~=- ' <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 COMMENTS: <br />MAINTENANCE REQUIRED: <br />INSPECTOR: <br />is/document/grtlypnd/Pondinsp.doc <br />