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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: 3 / rel %9 <br />SEDIMENT POND IDENTIFICATION: POND T <br />REFERENCE ELEVATIONS: <br />RISER CREST = 6907.9; LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: w 6 f of <br />0 <br />Sediment level (% total storage) <br />Outflow (cfs): i7 CSS <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation V <br />Outlet Channel Erosion ✓ <br />Burrows <br />STRUCTURAL: <br />Other <br />Differential Settling <br />Cracks or Slides <br />Seepage JC <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways ✓' <br />Dewatering Device Clogged ✓' <br />Faulty Gates, Baffles, Pumps ✓ <br />Other <br />ADDITIONAL COMMENTS: &"AW4 im ponek <br />MAINTENANCE REQUIRED: <br />INSPECTOR: <br />i:: document/gnlypnd/Pondmsp.doc <br />