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OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTMILT COAL COMPANY <br />FOIDEL CREEK MINE <br />POND F <br />RISER CREST = 6827.0; DEWATER HOLE = 6823.0 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: C~, ~23 <br />Sediment level (% total storage) ^•'!L / . ~ c~S f <br />Outflow (cfs): / V ~~'1 <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation J /f ~~ vJ ~ U/C~l~ / <br />Outlet Channel Erosion /A <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling '~ <br />Cracks or Slides `~ <br />Seepage f <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged ~ <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS:_ <br />MAINTENANCE REQUIRED: <br />INSPECTOR: <br />is/document/grtlypnd/Pondinsp. doc <br />