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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 />~/zz/Q ~ <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: ~~ QS' <br />Sedimentlevel(% total storage) 'L I S m <br />Outflow (cfs): d ~Q ~ 6 <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 />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides `~ <br />Seepage '/ <br />Other <br />APPURTENANT STRUCTURES: <br />ADDITIONAL <br /> ' <br />Defective Spillways 4 <br />Dewatering Device Clogged _~ <br /> <br />Faulty Gates, Baffles, Pumps <br />Other <br />MAINTENANCE <br />is/documentlgrtlypnd/Pondinsp.doc <br />