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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 />~/.~,~v ~ <br />WASTE WATER TREATMENT POND # 2 <br />BERN[ CREST = 6858.5; BOTTOM POND = 6848.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ti ` ~~7 (Sn p ~,/ ~ lc j <br />Sediment level (% total storage) ~ ~ r 2S~-. <br />Outflow (cfs): tF -(/0 ~ ~'"p 4 ~/Gi- <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments J~ <br />Inadequate Vegetation ~ <br />Outlet Channel Erosion ~ SYtcj~,J CU/P~/ <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling ~ <br />Cracks or Slides f <br />~ .silo v <br />Seepage _ <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged 7 ~wJ <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE <br />is/dacumen Vgrtlypnd/Pondinsp.doc <br />