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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 />AREA #1 PIT <br />RISER CREST = 6854.11, BOTTOM OF DEWATERING <br />CULVERT = 6851.47 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: --- % F 5 - /. ter- 7 <br />Sediment level (% total storage) &,w t e r; <br />Outflow (cfs): fdd re <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments V -S-ho ►-j ( ✓v f <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />STRUCTURAL: <br />Other <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />ADDITIONAL <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />MAINTENANCE REQUIRED: <br />INSPECTOR: 4, It &rs f" <br />i : /document/grtlypnd/Pondinsp.doc <br />