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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 />31.30 lfls <br />POND G <br />RISER CREST = 6833.24; LOWEST HOLE = 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: '~ ~~'3~ ~ Z~ <br />Sediment level(% totalstorage)S~,~( <br />Outflow (cfs): lU n~ / F <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: <br />STRUCTURAL: <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />ADDITIONAL <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />MAINTENANCE <br />YES NO <br />V <br />v <br />_!~ <br />_~ <br />~~ <br />C/ <br />is/document/grtlypnd/Pond i nsp.doc <br />