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<br />., <br /> <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br /> <br />TWENTYMILE COAL COMPANY <br />9~2 3 ~9G <br />POND M35 <br />EMERGENCY SPILLWAY = 6674.2 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~ G 7~~ S <br />Sedimen[level(% [otals[orage) ~~u <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br /> <br />EROSIONAL: YES NO <br />Rills &. Gullies on Embankments ~ <br />Inadequate Vegetation / <br />Outlet Channel Erosion / <br />Burrows / <br />Other <br />STRUCTURAL: <br />Differential Settling +~ <br />Cracks or Slides <br />Seepage <br />Other ~ <br />APPURTENANT STRUCTURES; <br />D <br />f <br />i <br />S <br />ill / <br />e <br />ect <br />ve <br />p <br />ways <br />Dewatering Device Clogged ~ <br />~% <br />Faulty Gates, BafOes, Pumps <br /> <br />Other <br />ADDITIONAL COMME <br />MAINTENANCE REQU <br />I:/DOCUMENT/PON DINSP.DOC <br />