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<br />OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: MINE 3 <br />D <br />TE 3~/7~97 <br />A <br />OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: POND M3S <br />REFERENCE ELEVATIONS; EMERGENCY SPILLWAY =6671.2 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~6 7~ <br />Sediment level (% total storage) <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills Rc Gullies on Embankments /~ <br />Inadequate Vegetation <br />Outlet Channel Erosion ~~ <br />Borrows ~ <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides ~~ <br />Seepage t/ <br />Other /~ <br />APPURTENANT STRUCTURES: <br />Defective Spilhvays <br />Dewatering Device Clogge d <br />Faulty Gales, Baffles, Pumps v <br />Other <br />ADDITIONAL COMMENTS: P~~~"~ s'~"~C°'~~~ ~~ ~~~ ~ C~E CoJE~6d <br />MAINTENANCE REQUIRED: ~A~~ <br />INSPECTOR: / ^J~s ~G~S <br />I:/DOCUMENT/PON DIN S P. DOC <br />