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iii iiuiiiiiiiiiiii <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />~~ 9~ <br />POND G <br />RISER CREST = 6833.24: LOWEST BOLE = 6930.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: Z2 <br />Sediment level (% total storage) L s <br />Outflow (cfs): D <br />FEATURES PROBLEM COMMENTS <br /> <br />EROSIONAL: YES NO <br /> / <br />Rills & Gullies on Embankments J <br />Inadequate Vegetation <br /> <br />Outlet Channel Erosion _ <br />Burrows ~~ <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides ~i <br />Seepage / <br />l/ <br />Other / <br />/ <br />APPURTENANT STRUCTURES: <br />Defective Spillways J~ <br />Dewatering Device Clogged ~~ <br /> <br />Faulty Gates, BafTles, Pumps / <br />(/ <br />Other ~,~ <br />ADDITIONAL CI <br />MAINTENANCE <br />i JdocumrnVgrtlypnd/Pondirt4p.dac <br />