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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 />/G~9~o r <br />POND C <br />RISER CREST = 6864.4; LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level(% totalstorage) { ~6 G <br />Outnow (cfs): <br />FEATURES PROBLEM COMMENTS <br /> <br />EROSIONAL: YES NO <br /> / <br />Rills R Gullies on Embankments v <br />Inadequate Vegetation <br />Outlet Channel Erosion :/ <br />Burrows ~ <br />Other <br />STRUCTURAL: <br />Differential Settling J <br />Cracks or Slides c~ <br />Seepage / <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways ~ <br />Dewatering Device Clogged ~~ <br />Faulty Gates, Bafnes, Pumps '~ <br />Other :/' <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REpU1RED <br />INSPECTOR: <br />is/documenl/gnlypnd/Pond insp.doc <br />