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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 />POND D <br />RISER CREST = 6849.9: LOWEST HOLE = 6846.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level (% total storage) <br />Outflow (cfs): {; <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />STRUCTURAL: <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows 'f <br />Other <br />Differential Settling <br />Cracks or Slides <br />Seepage / <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways 1 <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: *Ag--,, <br />INSPECTOR: <br />i� 'documenL grtlypnd/Pondinsp.doc <br />,4-7 ;-)5 . <br />