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<br />OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK (FISH CREEK TIPPLE) <br />DATE OF INSPECTION SEPTEMBER 24. 1992 <br />POND IDENTIFICATION E <br />TYPE OF POND SEDIMENTATION <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6668.2 <br />Sediment level (1% total storage): APPROX. 15% <br />Outflow (cfs): .0256 CFS <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: <br />YES NO <br />Rills & Gullies on Embankment X <br />Inadequate Vegetation X <br />Outlet Channel Erosion _X_ <br />Burrows X <br />Other X <br />STRUCTURAL: <br />Differential Settling X <br />Cracks or 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: 3"X6" RIP RAP INSTALLED IN INLET AREA TO <br />CORRECT SOME MINOR EROSION <br />~~ <br />