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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 />3/a ~/off <br />POND T <br />RISER CREST = 6907.9; LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level (% total storage) <br />OutFlow (cfs): <br />L`/~~~~ <br />r ~; <br />d <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO ~~,,,,j~~t~" <br />Rills & Gullies on Embankments `~. ~ <br />~,'ovOwf~t ~° <br />Inadequate Vegetation ~ / <br />Outlet Channel Erosion '-~ ~ <br />Burrows ~ <br />Other v <br />STRUCTURAL: <br />Differential Settling ~ <br />Cracks or Slides ,/ <br />Seepage ~ <br />Other v <br />APPURTENANT STRUCTURES: <br />Defective Spillways J <br />Dewatering Device Clogged r~ <br />Faulty Gates, Baffles, Pumps t/ <br />Other / <br />