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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: /Z a /re-- <br />SEDIMENT POND IDENTIFICATION: POND C <br />REFERENCE ELEVATIONS: RISER CREST = 6864.4; LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />FEATURES PROBLEM <br />EROSIONAL: YES NiO/ <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion —7 <br />Burrows � <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: <br />Approximate water level: <br />Sediment level (% total storage) <br />Outflow (cfs): <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />A/0/1 <br />INSPECTOR: <br />A!6 .1 - <br />7 <br />COMMENTS <br />6 <br />r /document/grtlypnd/Pon dmsp. doc <br />