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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 />/2/2 3?o S' <br />WASTE WATER POND FINAL POLISHING POND <br />BERM CREST = 6848; BOTTOM POND = 6838 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: A-'a g <br />Sediment level (% total storage) s-10 A F r-4-, <br />? <br />Outflow (cfs): (7-066 <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NOl <br />Rills & Gullies on Embankments <br />Inadequate Vegetation v 5 rUv? ?/ <br />Outlet Channel Erosion ? o <br />Burrows r/ <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br /> <br /> <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: C44-,C t??/PQ?S F?(/m M6+ ? O . <br />MAINTENANCE REQUIRED: <br />INSPECTOR: W Gl "ee <br />is/document/grtlypnd/Pondin sp. doc