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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 />POND E <br />RISER CREST = 6843.4; DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~8 ~~ (~.~t <br />Sediment level (% total storage) lD - 7s~ °~o <br />OutBow (cfs): ~-Pa~CK-le. <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation 1/ <br />Outlet Channel Erosion <br />Burrows '~ <br />Other <br />STRUCTURAL: <br />Differential Settling / <br /> <br />Cracks or Slides / <br />~,L <br />Seepage v <br />Other <br />APPURTENANT STRUCTURES: <br />Detective Spillways <br />Dewatering Device Clogged v <br />Faulty Gates, Baffles, Pumps / _ <br />Other <br />ADDITIONAL <br />MAINTENAN( <br />is/documenVgrtlypnd/Pondinsp.doc <br />