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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 />q:/~26 0 7 <br />POND FCT [~ 2 <br />RISER CREST = 55.0; DEWATER HOLE = 51.8 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: S$-, 1 3 <br />P <br />Sediment level (% total storage) -~ ~/0 l0 P <br />Outflow (cfs): ~ , d0 ~~ ~ 2.5 ~ Q ~ o/Q!/) <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: <br />YES NO <br />~~ <br />_~ <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 <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />Sri rr+2- <br />Sh0(fi CI //c,.. ~~ l <br />q / 0 JnA h/2t / ~l' o f f0 r4, <br />ADDITIONAL CC' "' ""'"'"'"' <br />MAINTENANCE <br />is/documenUgrttypnd/POndinsp.doc <br />