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O <br />W <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />/ <br />POND G <br />RISER CREST = 6833.24• LOWEST HOLE - 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: `�` 6'321 <br />Sediment level (% total storage) cD"L5 <br />Outflow (cfs): c) 0- Q's <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />STRUCTURAL: <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />V10 - <br />Differential Settling <br />Cracks or Slides V <br />Seepage ✓ <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: Jr 10W f1 <br />MAINTENANCE REQUIRED:- <br />_ INSPECTOR: kR.Gi ax, <br />i.-document/grtlypnd/Pondinsp doc <br />