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c <br />EO <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />=6;Z Ira <br />POND E <br />RISER CREST = 6843.4. DEWATER HOLE - 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level (% total storage) <br />Outflow (cfs): <br />,6%L(O <br />io 7o <br />D 6A <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills e. Gullies on Emhankments &01 - <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 L,,A <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: o4le - c�J~ (.vas cl <br />MAINTENANCE REQUIRED: <br />is document/grtlypnd/Pondinsp doc <br />