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<br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />~ ~l(~DN <br />RISER CREST = 6843.4; DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: "" I~ ~" 6 ~J sy~ <br />Sediment level(% totalstorage) '~7~fo <br />Outtlow (cfs): N I F <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows / <br />Other <br />S~ <br />STRUCTURAL: <br />Differential Settling 1G <br />Cracks or Slides ~G <br />Seepage L/ <br />Other ~L <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged / <br />Faulty Gates, Baffles, Pumps l/ <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: ~nl~ <br />is/pond/gMlypnd/Pondinsp.doc <br />