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OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />.� /-4ZI <br />POND C <br />RISER CREST = 6864.4: LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: --"6S-62A- <br />Sediment <br />level (% total storage) <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ✓ / <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />STRUCTURAL: <br />Burrows <br />Other <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways / <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps r <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: <— <br />INSPECTOR: U R� /,� <br />i s /document/grtlypnd/Pondinsp.doc <br />