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OPERATOR: <br />MINE: <br />DATE OFINSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />9123 /~36 <br />RISER CREST = 6864.4: LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: /`~~~ <br />Sediment level (% total storage) ~`S°Io <br />Outflow (cfs): ~~~ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments !/ <br />Inadequate Vegetation <br />Ou[le[ Channel Erosion <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling t/ <br />Cracks or Slidesa <br />Seepage <br /> <br />Other <br />APPURTENANT STRUCTURES; <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gales, BafBes, Pumps <br />Other <br />ADDITIONAL COMMENTS <br />MAINTENANCE REQUI <br />INSPECTOR <br /> <br />I: /DOCUMENT/PON D I N S P. DOC <br />