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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 />9~28~d~ <br />~` <br />POND E <br />RISER CREST = 6543.4; DEWATER HOLE = 6540.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 77~~ L 68Y3 - / /! <br />Sediment level (% total storage) /A nAnd ~in~1 e~ /i d QY.t 1 'Y/ ~IPf <br />Outflow (cfs): /I/A t"~n vJ <br />• <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO/ <br />Rigs & Gullies on Embankments ~ V <br />Inadequate Vegetation ~ / <br />Outlet Channel Erosion <br />Burrows ,_ii //~~ ~/ / 1 <br />Other ~ R e0 ~I,/ hi ~- (/t (S Ll~l~i[~~ Se~'- <br />CtlrnrnP~n-LS $e to w. <br />STRUCTURAL: <br />Differential Setting <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 />• <br />ADDITIONAL C( <br />MAINTENANCE <br />g~~r/d 6 <br />~~s <br />S~6se~~r.~l~ used -/b c(eai wlei~ Gv~erc~inhel~ <br />(1'~Q Ol C} T RCC V/h /~vi ~(d r~ ~G w'~~d omen qnl d/ ondins .doc <br />Wtl//c-ts on9O~it5 -~'Give~~k C7G{v~ev . <br />