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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 C <br />RISER CREST = 6864.4; LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: z6 9 6;—>. <br />Sediment level (% total storage) _ Gs -'`C4 <br />Outflow (cfs). _ NC 4� <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills &Gullies on Embankments <br />''�'�l'cld G�Gm ✓ �%� <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />STRUCTURAL: <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 COMMENTS: <br />MAINTENANCE REQUIRED <br />INSPECTOR: C- W a 7FfG Yty r <br />is/document/grtlypnd/Pondinsp.doc <br />