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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: .--A 3 <br />SEDIMENT POND IDENTIFICATION: POND D <br />REFERENCE ELEVATIONS: RISER CREST = 6849.9; LOWEST HOLE = 6846.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />STRUCTURAL: <br />Approximate water level: L' A k 46 <br />Sediment level (% total storage) , <br />Outflow (cfs): /V 2" t /'g) / na <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments V <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />7 <br />Burrows <br />Other <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: C ``L!'k R 4 - " r /;h <br />INSPECTOR: 19_ G V(.( (T ;Cg - <br />i. /document/grtlypnd/Pondmsp.doc <br />