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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 />/2 /3g /zo <br />WASTE WATER TREATMENT POND # 1 <br />BERM CREST = 6871.5; BOTTOM POND = 6861.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />d <br />Sediment level (% total storage) <br />Outflow (cfs): A/A �1—C <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />STRUCTURAL: <br />Rills & Gullies on Embankments ✓ 5 �dw C ( ✓Q 1✓ <br />Inadequate Vegetation <br />Outlet Channel Erosion FC�ze� <br />Burrows <br />Other <br />Differential Settling ✓ <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps ✓ <br />Other <br />ADDITIONAL COMMENTS: VCtu 14 1L±1 larPd /n s Dill c 4 1(n in/is14 rJw /.x r `5 <br />MAINTENANCE REQUIRED: r a GK a✓ u <br />INSPECTOR: W OiG ✓S o 7. <br />i : /docwnent/grtlypnd/Pondinsp.doc <br />