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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: �h 44 . q S <br />Sediment level (% total storage) <br />Outflow (efs): Q. <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />✓ <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />y <br />Other <br />STRUCTURAL: <br />Differential Settling <br />[/ <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: ' _t,J,71 e,-5►!-,,-, <br />is documeni•'grtlypnd/Pondinsp.doc <br />