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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 6 ///4- <br />T <br />POND E <br />RISER CREST = 6843.4; DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6 eya , (" <br />v <br />Sediment level (% total storage) l� <br />Outflow (cfs): Wd A e- <br />FEATURES <br />PROBLEM COMMENTS <br />EROSIONAL: <br />YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />✓ <br />Other <br />/ <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: t 41 4T7"", ZSd SM ►./ <br />MAINTENANCE REQUIRED: elk C ��j� -� . <br />INSPECTOR: <br />i s /document/grtlypnd /Pondinsp.doc <br />