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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 />WASTE WATE4 TREATMENT POND # 1 <br />BERM CREST = 6871.5; BOTTOM POND = 6861.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />c <br />Sediment level (` %o total storage) <br />Outflow (cfs): {�s�• Q_ �/� C-�S <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />STRUCTURAL: <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />✓ �nG'v�% CG ✓� <br />Differential Settling r/ <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: <br />i : /document/grtlypnd/Pondinsp.doc <br />