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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 />~l~-~c ~ <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: ~ ~-~~ • ~ <br />Sediment level (% total storage) (J9 ~Gv~,~t../.'- <br />Outflow (cfs): A~~ ~ ~ ~' S! ~ ~~ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments '~ <br />~~ <br />Inadequate Vegetation _~ S~ c~J w~~ <br />Outlet Channel Erosion <br />Burrows ~/ <br />Other <br />STRUCTURAL: / <br />Differential Settling ,~,/ <br />Cracks or Slides <br />/~ <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />__~~ <br />Dew:itering Device Clogged <br />Fauhty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS:. <br />MAINTENANCE REQUIRED <br /> <br /> <br />INSPECTOR: <br />'~ , <br />is/documenUgrtlypnd/Pondinsp.doc <br />