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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 WATER POND FINAL POLISHING POND <br />BERM CREST = 6848, BOTTOM POND = 6838 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: R-3y f <br />Sediment level (% total storage) �-- 'g- fll, <br />Outflow (cfs): A - <br />FEATURES <br />PROBLEM COMMENTS <br />EROSIONAL: <br />YES NO <br />Rills & Gullies on Embankments <br />'✓ <br />7 <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />STRUCTURAL: <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 <br />Other <br />ADDITIONAL COMMFNTC- <br />MAINTENANCE <br />i s /doc ument/grtlypnd/Pond insp.doc <br />