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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 />/1 ~2i~t71~ <br />POND E <br />RISER CREST = 6843.4: DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~ ~ ~4.3. y <br />a <br />Sediment level (% total storage) ~ - ZT /a <br />q~ ~ <br />Outflow (cfs): ~f~ f~O t./ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br /> V <br />Inadequate Vegetation <br />/lie 1'e- Snoi.J . <br />Outlet Channel Erosion <br />Cuo'e/ ~ Ic~- <br />Burrows _ <br />Other <br />STRUCTURAL: <br /> '~ <br />Differential Settling <br /> ~ N~ ~" S~t7r/ <br />Cracks or Slides ~ C~/d-(~~ <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE <br />is/documentlgrtlypnd/Pondi nsp.doc <br />