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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 />~ 12(07 <br />AREA #1 PIT <br />RISER CREST = 6854.11: BOTTOM OF DEWATERING <br />CULVERT = 6851.47 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~. 2 ~ ~d /1-~ (P/C / ~('OU/ <br />Sediment level (% total storage) r~~~~y! n <br />Outflow (cfs): /«QYl ~ <br />FEATURES PROBLEM COMMENTS <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 <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 REQUIRED:~L~~~ <br />is/documenVgrtlypnd/Pondinsp.doc <br />