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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 />--~ <br />POND T <br />RISER CREST = 6907.9; LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: L- ~ ~~ Y, <br />Sediment level (% total stora e J <br />g) ~ (C ~r ~C~ <br />Outflow (cfs): ~~ n -~ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments C/ $%~~;,J CV/c~/ ~-- <br />Inadequate Vegetation f (~ <br />Outlet Channel Erosion ~ - '" /~~ <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />~, <br />APPURTENANT STRUCTURES: <br />Defective Spillways `/ <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED:_~ ~. ~ ~ ~? 1S •~ <br />INSPECTOR: ' ~ l~/G <br />is/document/grtlypnd/Pondinsp. doc <br />