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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: POND E <br />REFERENCE ELEVATIONS: RISER CREST = 6843.4; DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level (% total storage) <br />Outflow (cfs): G�S <br />FEATURES <br />PROBLEM COMMENTS <br />EROSIONAL: <br />YES NO <br />Rills & Gullies on Embankments <br />1i <br />Inadequate Vegetation <br />✓ <br />Outlet Channel Erosion <br />✓ <br />Burrows <br />J� <br />Other <br />STRUCTURAL: <br />Differential Settling ✓ <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways 1✓ <br />Dewatering Device Clogged +� <br />Faulty Gates, Baffles, Pumps ✓ <br />Other <br />ADDITIONAL COMMENTS: -I "_�` <br />MAINTENANCE REQUIRED: tea e, nU6aAaA <br />lel lf,� ICAI t'Ifl Ve rttDre 6iSel <br />nvevr•rrrrnn. ,lY..�Xn Ll4t.?CAT <br />is/document/grtlypnd/Pondinsp.doc <br />