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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 />61/3 V 9 <br />WASTE WATER TREATMENT POND # 2 <br />BERM CREST = 6858.5; BOTTOM POND = 6848.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6 ?-S" fo <br />Sediment level (% total storage) tS-% e &I <br />Outflow (cfs): (1 . UQ b /?'C/ a"14 <br /> <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br /> <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br /> <br />Seepage <br />/ <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: weed ?214(J.4' <br />INSPECTOR: dig /W <br />is/document/grtlypnd/Pondinsp. doc