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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 />~o~ <br />POND F <br />RISER CREST = 6827.0; DEWATER HOLE = 6823.0 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approziroate water level: ~~/ <br />i <br />Sediment level (% total storage) -f = ~G G <br />Outflow (cfs): r/ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br /> / <br />Rills & Gullies on Embankments ~/ <br /> ~1 <br />Inadequate Vegetation <br />Outlet Channel Erosion !f <br />Burrows _~ <br />Other ~ <br />STRUCTURAL: <br />Differential Settling ~C <br />Cracks or Slides _ <br />Seepage G~ <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways ~~ <br />Dewatering Device Clogged _v <br />Faulty Gates, Baffles, Pumps <br />Other v <br />ADDITIONAL <br />MAINTENANCE <br />is/pond/gNypnd/Pondinsp.doc <br />