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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 />�3/z.� /,� <br />POND T <br />RISER CREST = 6907.9: LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6 96A .4 <br />Sediment level (% total storage) Se ro <br />Outflow (cfs): r/ . G /'S� <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />STRUCTURAL: <br />Outlet Channel Erosion <br />Burrows <br />Other <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 <br />MAINTENANCE REQUIRED: <br />INSPECTOR:, tv4 7�4.✓ -7h <br />i : /document/grtlypnd/Pondinsp.doc <br />