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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 />260 /9 <br />AREA #1 PIT <br />RISER CREST = 6854.11; BOTTOM OF DEWATERING <br />CULVERT = 6851.47 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level:S 6 "YSZ <br />Sediment level (% total storage) J( S 1 h 4k <br />Outflow (cfs): a C-?S ° <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 /> <br />STRUCTURAL: <br />Differential Settling C/ <br /> J <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways V <br />Dewatering Device Clogged 7 <br />Faulty Gates, Baffles, Pumps t/ <br />Other <br />ADDITIONAL <br />MAINTENAN( <br />is/document/grtlypnd/Pondinsp. doc