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<br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />~T <br />RISER CREST = 6843.4: DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~~ ~6~tlt7t~J1~E~R-fJl~ /4ROLll~h RISFR 1 <br />Sediment level (% total storage) ~t3~ <br />Outnow (cfs): B, 0213 <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO / <br />Rills & Gullies on Embankments / <br />Inadequate Vegetation ~ <br />_ <br />~A1G~ t~V~~)) <br />Outlet Channel Erosion / <br />/ <br />Burrows / <br /> <br />Other / <br />!/ <br /> <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />slJOtl) ~~~~~ <br />Seepage ~ <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways r/ <br />Dewatering Device Clogged <br />Faulty Gates, BafDes, Pumps <br />Other <br />ADDITIONAL <br />MAINTENANCE <br />is/documenUgrtlypnd/Pondi nsp.doc <br />