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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 />12-Z <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: ti ?{Z e S'- - <br />Sediment level (% total storage) `? <h ,,rr <br />Outflow (cfs): 'L (j.o 2 er4 - (A ?' 0ti' oo E <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments Silpv,i Co ?Q? <br />Inadequate Vegetation <br />Outlet Channel Erosion ! <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling f/ <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 />INSPECTOR <br />is/document/grtlypnd/Pondinsp.doc