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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 />POND F <br />RISER CREST = 6827.0; DEWATER HOLE = 6823.0 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~ 6 827 , o <br />Sediment level (% total storage) <br />Outflow (cfs): /U(/ >C~oW <br />FEATURES PROBLEM COMMENTS <br /> <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation ~~ , <br />Outlet Channel Erosion _~ <br />Burrows ~~ <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides V <br />Seepage _~ <br />Other ~/ <br />APPURTENANT STRUCTURES: <br />Defective Spillways `~ <br />Dewatering Device Clogged / <br /> <br />Faulty Gates, Baffles, Pumps // <br />Other <br />ADDITIONAL COMMENTS: ~~lA ~~/~/ /CP Cn yQyY~ ,J(P Llirl~"' //P ~ <br />MAINTENANCE REQUIRED: IVt7 nt= A {- / /11S ~'1 rr12 <br />INSPECTOR: ~/hblJ~6~ ~lJ~c~ <br />is/pond/grtlypnd/Pandinsp.doc <br />