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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 />~~~ 7~0 `7 <br />POND G <br />RISER CREST = 6833.24; LOWEST HOLE = 6530.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~O 6 ~/ ~O 9 <br />Sediment level (% total storage) /C ~ C'U/LfPA ~lk S ~ ~/~s ~'~- S%r J <br />Outflow (cfs): QJIe/ ~.3 S = r'%. /77~ C'FS <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments '~ <br />Inadequate Vegetation ~/ <br />Outlet Channel Erosion <br />Burrows a/ <br />Other <br />STRUCTURAL: <br />Differential Settling `~ <br />Cracks or Slides '~ <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways 1L <br />Dewatering Device Clogged :i <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: / <br />MAINTENANCE REQUIRED: (~i l~ r` ~P/ / /e~7C' ~L' On in /SIG//~ L~2G n n e ~ ~' s~ lrrq t?7 <br />INSPECTOR:/ion "~~~ R>-. J <br />is/pond/grtlypnd/POndinsp.doc <br />__ :. _... _ _.. a <br />