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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 />POND T <br />RISER CREST = 6907.9: LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ��-l04 R <br />P <br />Sediment level (% total storage) A— /© l� <br />Outflow (cfs): Ab d<:!- <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />STRUCTURAL: <br />Outlet Channel Erosion <br />Burrows �— <br />Other <br />Differential Settling <br />Cracks or Slides / <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: <br />c /document/grtlypnd/Pondmsp.doc <br />