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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 />lo~z2./0 ~e <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 /> <br />Sediment level (% total storage) y v <br />ti/ lv ' Z lv <br />/PC~~ed! ZCp ? <br />Outflow(cfs): /1.(/U~ /+' IU- rn/q . <br /> <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br /> <br />Rills & Gullies on Embankments <br />Inadequate Vegetation _f <br />Outlet Channel Erosion _f <br />Burrows ~ <br />Other <br />STRUCTURAL: <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 />O[her <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED:/S3LL~cf .~id~/E/~1 ~-l.K/i sS<,I~"t°'M/ r'%.~d/S' Sc%crlVltp~ <br />~jj mt/•}d~ YfA(ci(C~Pn\'>!. INSPECTOR_~~n~„ gri.p~o„-~ <br />C~QV~ ~/~/IvJY.ISICiJ <br />is/documenUgrtlypnd/Pondinsp.doc <br />