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OPERATOR: TWENTYMiLE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: ~I ~ ~ ~ ~ ~ 5 <br />SEDIMENT POND IDENTIFICATION: POND T <br />REFERENCE ELEVATIONS: <br />RISER CREST = 6904 9• LOWEST HOLE = 6907 9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~1 ~~ C S, 7 <br />Sediment level (% total storage) a/~t~c Q ~J YC X I (Y) 4+e I U ~ eS+> <br />Outflow (cfs): N O Y1 ~ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments X <br />Inadequate Vegetation X <br />Outlet Channel Erosion ~~ <br />Burrows X <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides X <br />Seepage u <br />Other x <br />APPURTENANT STRUCTURES; <br />Defective Spillways X <br />Dewatering Device Clogged ~ <br />Faulty Gales, Baffles, Pumps <br />Other ~ <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUI <br />I ~ DOCU EMNT/PONDI NSP. DOC <br />