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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK <br />DATE OF INSPECTION: JUNE 25, 1992 <br />POND IDENTIFICATION: D <br />TYPE OF POND: SEDIMENTATION <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6846.0 <br />Sediment level ($ of total storage): APPROXIMATELY 25% <br />Outflow (cfs): 0.38 CFS <br />FEATURES PROBLEMS COMMENTS <br />YES NO <br />EROSIONAL: <br />Rills & gullies on embankment X <br />Inadequate vegetation X <br />Outlet channel erosion _X_ <br />Burrows _X_ <br />Other X <br />STRIICTURAL: <br />Differential settling X <br />Cracks of slides X <br />Seepage X <br />Other X <br />APPURTENANT STRUCTURES: <br />Defective spillways X <br />Dewatering device clogged X <br />Faulty gates, baffles, pumps X <br />Other X <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: NONE REQUIRED <br />IMPOUNDMENT INSPECTOR: <br />