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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 />(.~~2/~0 <br />POND E <br />RISER CREST = 6543.4; DE WA TER HOLE = 6540.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: L 6 g ~ ~ (o <br />d <br />Sediment level (% total storage) ~`' /S ~ ZC/ to <br />Outflow (cfs): ~P _ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embanlunents / <br />Inadequate Vegetation <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 COMMENTS: ~ ~ G~~ PCI G~2c>I ~ / SN / F~ cG C%P+v ~ a / ~i 2GO 6 a. Q n ~ `~ ~ ~~ <br />pp / 1 n ~<` 1( . <br />MAINTENANCE REQUIRED: CG1QC ~! CII/fi /nct S.Q.. di f't. haP ~e~'/~l nr ~d ~O ~ 1~' ~'e'inC/v{~i <br />INSPECTOR NelYlOn wGi71"~ vSa~-. ry'f/ "U/ <br />u`P/~7//.f a <br />is/pond/grtlypnd/Pondinsp.doc <br />