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III IIIIIIIIIIIIIIII~ <br />999 <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTtFICATTON: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOU)EL CREEK MINE <br />fay 19.E <br />POND C <br />RISER CREST = 686x.1; LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: % 3 <br />Sediment level (% total storage) L S°~ <br />Outflow (cfs): O <br />FEATURES PROBLEM COMMENTS <br /> <br />EROSIONAL: YES NO <br /> / <br />J <br />Rills & Gullies on Embankments <br />Inadequate Vegetation _/ <br />Outlet Channel Erosion _/ <br />Burrows ~/ <br />Other <br />STRUCTURAL: <br />Differential Settling _~ <br />Cracks or Slides / <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways c/ <br />Dewatering Device Clogged i~ <br />Faulty Gates, Baffles, Pumps / <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE <br />is/dacumrnUq,tl}pnd/Pondinsp.doc <br />