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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOID/EL CREEK MINE <br />DATE OF INSPECTION: C/ S//62 <br />SEDIMENT POND IDENTIFICATION: POND E <br />REFERENCE ELEVATIONS: <br />RISER CREST = 6843.4; DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~ctf~-- ~ <br />Sediment level (% total storage) /U - ~a ~!o <br />Outflow (cfs): d ,~O//"/ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments / <br />Inadequate Vegetation ~- <br />Ou[let Channel Erosion ~ <br />Burrows ~~ <br />Other <br />STRUCTURAL: <br />Differential Settling J <br />Cracks or Slides v <br />Seepage ~ <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways ~ <br />Dewatering Device Clogged '~ <br />Faulty Gates, Baffles, Pumps ~ <br />Other ~ <br />ADDITIONAL <br />MAINTENAN( <br />is/documenUgrttypnd/Pondinsp. doc <br />