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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 D <br />RISER CREST = 6849.9; LOWEST HOLE = 6846.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: / rf , 3 F <br />Sediment level (% total storage) /Q t <7 eo (lC Z Ca ?e r e <br />Outflow (cfs): Q 12 `f 2 5+n m <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br /> <br />Outlet Channel Erosion <br />Burrows MVSK kc-? 66'5l Ue / <br />Other l ois-f Nau e m Ae r. Chic: k <br />STRUCTURAL: <br />Differential Settling ? <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways J?Q? t ! Qf ?? ?? 1 <br />Dewatering Device Clogged ?? <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: J 4 rw_ 00-e-06; "A dA we_c .5-'ke h .APr'A(M.-j <br />MAINTENANCE REQUIRED: <br />INSPECTOR: 6. oL :66e r-S a r, <br />z9 <br />is/document/grtlypnd/Pondinsp.doc