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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: / /(Z <br />SEDIMENT POND IDENTIFICATION: AREA #1 PIT <br />REFERENCE ELEVATIONS: RISER CREST = 6854.11; BOTTOM OF DEWATERING <br />CULVERT = 6851.47 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level (° /a total storage) <br />Outflow (cfs): <br />FEATURES PROBLEM <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments l� <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />ADDITIONAL COMMENTS: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />MAINTENANCE REQUIRED: <br />Ncj rt2,_ <br />(e) c-F <br />(A ✓ /4' Qt4 <br />/U© <br />INSPECTOR: 4 _ W <br />COMMENTS <br />is /document/grtlypnd/Pondinsp. doc <br />