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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 />P ~! ~~~~~ <br />AREA #1 PIT <br />RISER CREST = 6854.11; BOTTOM OF DEWATERING <br />CULVERT = 6851.47 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: G G ~~. ~~ <br />Sediment level (% total storage) ~`~ ~ <br />Outflow (cfs): /1ft( ~ ~~ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ~ <br />Inadequate Vegetation '~ <br />Outlet Channel Erosion / S-Vl~t,/ C~c~ ~%~ <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage '~ <br />Other <br />APPURTENANT STRUCTURES: <br /> <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps '~ <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: <br />INSPECTOR: ~t 4n ~Cti `GrS y-,-~ <br />is/document/grtlypnd/Pondinsp.doc <br />