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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 />~ z~~~ <br />POND G <br />RISER CREST = 6833.24; LOWEST HOLE = 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: /V Q T~f~~r C ~3V -3`~ <br />Sediment level(% totalstorage) G S <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ~ <br />Inadequate Vegetation ~ <br />~~ <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 />Defective Spillways / <br />Dewatering Device Clogged '~ <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL <br />MAINTENAN( <br />is/documenUgrtlypnd/Pondinsp.doc <br />