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OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />WASTE WATER POND FINAL POLISHING POND <br />BERM CREST = 6848: BOTTOM POND = 6838 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: b X42= ex-j <br />Sediment level (% total storage) ^° l? <br />Outflow (cfs): Q 3116 E7 <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments V <br />Inadequate Vegetation <br />Outlet Channel Erosion ? <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling <br /> <br />Cracks or Slides <br />Seepage d <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways V/ <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REOUIREI <br />i s/document/grtlypnd/Pondinsp.doc