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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 />'s 131 2019 - <br />POND T <br />RISER CREST = 6907.9: LOWEST HOLE = 6904.9 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level (% total storage) �s o <br />Outflow (cis): <br />FEATURES <br />PROBLEM COMMENTS <br />EROSIONAL: <br />YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />✓ <br />Burrows <br />✓ <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 COMMENTS: <br />MAINTENANCE REQUIRED:OJIe <br />INSPECTOR: lV f e- Wf�Mc�/l ll <br />is documenUgrtlypnd/Pondinsp.doc <br />