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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 />f~~G 7 <br />WASTE WATER TREATMENT POND # 2 <br />BERM CREST = 6858.5; BOTTOM POND = 6848.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: °~ ~~~~a <br />0 <br />Sediment level (% total storage) /~ /c ~}' <br />Outflow (cfs): ~ . ~10E' /h~i • C71/<~- <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation C~G~ ~,~,~~ <br />Outlet Channel Erosion „(" <br />Burrows ~/ <br />Other <br />STRUCTURAL: <br /> <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 />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: I~I~~G{ f,.~! ~ S~YY~rI'~O ~/ ~ c~ <br />INSPECTOR: ~.5/ c 4 i. W a 1 (~B ~Ct~ <br />is/document/grtlypnd/Pondinsp.doc <br /> <br />