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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: Z. 3 <br />Sediment level (% total storage) S rb <br />Outflow (cfs): A& <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments r / <br />STRUCTURAL: <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />I/ <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: r/o -z e. — rI U ►✓ r yn i/ <br />MAINTENANCE <br />INSPECTOR: <br />i : /document/grtlypnd/Pondinsp.doc <br />