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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 />~Iz~o4 <br />POND C <br />RISER CREST = 6864.4; LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 'C ~~~ <br />Sediment level (% total storage)J~ah <br />Outflow (cfs): ~d Y[At./ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embanlmtents ~ <br /> <br />Inadequate Vegetation ~ / <br />V <br />Outlet Channel Erosion ~_ <br /> <br />Burrows <br />Other ~~ <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides ~~ <br />Seepage ~ <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways 1~ <br />Dewatering Device Clogged ~_ <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: ,~O~M.Q. Sl~l,il/wl - ~ QD ('~ Q~DI~~OiIM.O <br />MAINTENANCE REQUHtED: IW YIP. ,~ <br />is/pond/grtlypnd/Pondinsp.doc <br />