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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 />610-7//b <br />18 LT POND 1 <br />BARREL OUTLET HOLE = 6860.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: < o' 5 <br />Sediment level (% total storage) 25 0 <br />� <br />Outflow (cfs): 9Owe <br />FEATURES <br />PROBLEM COMMENTS <br />EROSIONAL: <br />YES NO <br />Rills & Gullies on Embankments <br />I, -- <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />(/^ <br />Burrows <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: )UOOe-- <br />INSPECTOR: r? <br />is/document/grt1ypnd/18 LT Pondinsp.doc <br />