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• <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />61/2 It k <br />POND D <br />RISER CREST = 6849.9; LOWEST HOLE = 6846.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6NE S' <br />Sediment level (% total storage) v - (5-'k6 e-rf-, <br />Outflow (cfs): d ?O E-j <br />• <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 /> <br />STRUCTURAL: <br />Differential Settling . <br />Cracks or Slides <br />Seepage <br />Other <br /> <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: A2-1 Fi C?l a n ALSZ4 40??-G7?D?ndt (vY?? , <br />MAINTENANCE REQUIRED: <br />s INSPECTOR: d/c Un 1`F'e, c Ul' <br />i:/document/grtlypnd/Pondinsp.doc