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• OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br /> <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MTNE <br />POND E <br />RISER CREST = 6843.4; DEWATER ROLE = 6840.6 <br />OPERATIONAL STATUS AT TTME OF INSPECTION <br />Approximate water level: (~ (~yd~ 7 <br />Sediment level (% total storage) ~ f °~ <br />Outnow (cfs): 6G ~ 9 <br />I <br />\_ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: VES NO <br />Rills & Gullies on Embankments _/ <br />]nadcquate Vegetation <br />Outlet Channel Erosion _~ <br />Burrows ~~ ' <br />'ms's', <br />Other ~ ~~ ~-~~ y~ ,ri,w/~ <br />...,~ ~1 <br />STRUCTURAL: <br />Differential Settling _~ <br />Cracks or Slides ~/ <br />Seepage [/ <br />Other <br />APPURTENANT STRUCTURES: <br />Dcfective Spillways ~ <br />Dewatcring Device Clogged <br />Faulty Gates, BalDes, Pumps /~ <br />Other ~ <br /> <br />ADDITIONAL COMMENTS: y~ <br />MAINTENANCE <br />is/documrn~grtlypnd/Pondirtsp.doc <br />