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OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FO E CREEK MINE <br />/ 03 <br />POND C <br />RISER CREST = 6864.4; LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~~ <br />Sediment level (% total storage) s ~~~ ~w <br />Outflow (c1s): ~ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments / <br />Inadequate Vegetation ~l <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 />ADDITIONAL <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />MAINTENANCE <br />_~ <br />J <br />v <br />is/pond/grtlypnd/Pondinsp.doc <br />