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t , <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />`~l~l ~o~ <br />POND C <br />RISER CREST = 6864.4; LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: G~^ <br />Sediment level (% total storage) ~ 5 <br />Outflow (cts): ~ <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 />Differenfial Setfling 1~ <br />Cracks or Slides <br />Seepage / <br />Other `~ <br />APPURTENANT STRUCTURES: <br /> <br />Defective Spillways <br />Dewatering Device Clogged l/ <br />Faulty Gates, Baffles, Pumps <br />Other (/ <br />ADDITIONAL COMMENTS: ~~ <br />MAINTENANCE REQUIRED: ~'~`~ <br /> <br />is/pond/grtlypnd/POndinsp.doc <br />