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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 />9 / ~G / <br />RISER CREST = 6864.4: LOW EST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approiimate water level: <br />Sediment level (% total storage) S -~~ <br />Outflow (cfs): /~ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <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 f <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged v <br />Faulty Gates, Battles, Pumps (/ <br />Other <br />ADDITIONAL COMMENTS: " ~ <br />MAWTENANCE REQUDtED: N ~hc <br />is/documenVgNypnd/Pond insp.doc <br />