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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 E <br />RISER CREST = 6843.4• DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6, !d <br />c <br />Sediment level (% total storage) ?? /d <br />Outflow (cfs): G <br />FEATURES PROBLEM COMMENTS <br />S?yy?q? ??-??nJ (Yr??'I/ <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />STRUCTURAL: <br /> tw? <br />Differential Settling <br />Cracks or Slides <br /> <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: poled uRnC rLl, -+ .-k, a 0' 2JO? <br />MAINTENANCE REQUIRED: Afn e, fa_ <br />INSPECTOR: Y!f <br />is/document/grtlypnd/Pondinsp. doc