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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 />d ~ ~i <br />RISER CREST = 6833.24: LOWEST HOLE = 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~1 <br />Sediment level (% total storage) S ~~ <br />Outflow (cts): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ./ <br />Inadequate Vegetation / <br />Outlet Channel Erosion ~ <br />Burrows t~ <br />Other / <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides ~~ <br />Seepage / <br />Other ~C <br />APPURTENANT STRUCTURES: <br />Defective Spillways ~/ <br />Dewatering Device Clogged _~' <br />Faulty Gates, Baffles, Pumps ~ <br />Other C/ <br />ADDITIONAL <br />MAUVTENANC <br />is/documentlgNypnd/Pondinsp.doc <br />