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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 />/Z-f- <br />POND C <br />RISER CREST = 6864.4; LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ?'? ?• 3 <br />Sediment level (% total storage) lR <br />Outflow (cfs): ?L(f r? B <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation ? <br />Outlet Channel Erosion <br />Burrows f <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: n?[ S a?i Ck ?(? / ! - &'IcZ`ia f? Ad uiel A ? 4 At%/ <br />MAINTENANCE REQUIRED: n '0(56. &fl /9 i 1 n rC. !'j cc?le? <br />is/document/grtlypnd/Pondinsp.doc