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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 />AV& <br />AREA #1 PIT <br />RISER CREST = 6854.11, BOTTOM OF DEWATERING <br />CULVERT = 6851.47 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <C851 r (-L7 <br />Sediment level (% total storage) v,r kC A'(1 jto <br />Outflow (cfs): IV G' .¢— <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 />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: GIRa / dW �:2 fit-C k ((iarl A t / �iti n'c' <br />MAINTENANCE REQUIRED: �!11 <br />INSPECTOR: 6 - (Aic, fF2 /S <br />i /document/grtlypnd/Pondinsp.doc <br />