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U <br />N <br />v <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />6/Z7 I tR <br />POND T <br />RISER CREST = 6907.9: LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level (% total storage) u�lo <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments l/ <br />Inadequate Vegetation V - <br />Outlet Channel Erosion -Az <br />Burrows V— <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: )Jee1 -tab ievulr W eAriwar <br />MAINTENANCE <br />INS <br />n <br />i:rdocumeni: grdypndtPondmsp.doc <br />