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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: WASTE WATER POND FINAL POLISHING <br />POND <br />REFERENCE ELEVATIONS: BERM CREST = 6848; BOTTOM POND = 6838 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />FEATURES PROBLEM <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments t/ <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />ADDITIONAL COMMENTS: <br />Approximate water level: • A 4i 2. e,<1 <br />e <br />Sediment level (% total storage) <v <br />Outflow (cfs): P • 0 2 t /' le ) <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />MAINTENANCE REQUIRED: <br />INSPECTOR: 4 g, C4. 1 /SA <br />COMMENTS <br />is /document/grtlypnd/Pondinsp.doc <br />