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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 />T <br />POND E <br />RISER CREST =6843.4; DEWATER HOLE= 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <V �V . 6 <br />c� <br />Sediment level (% total storage) ~II ' to <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation v' <br />Outlet Channel Erosion <br />Burrows <br />Other !rte <br />STRUCTURAL: <br />Differential Settling +l' <br />Cracks or Slides <br />Seepage ✓ <br />Other y -- <br />APPURTENANT <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device, Clogged <br />Fault, Cates, Baffles, Pumps <br />Other <br />ADDITIONAL COMM <br />MAINTENANCE REQUIRED. <br />INSPECTOR: <br />i./docuinenttgrt IypucllPondi nsp.doe <br />