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1 <br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />~Ir~l~ <br />POND G <br />RISER CREST = 6833.24; LOWEST HOLE = 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: L~o`al c7 <br />Sediment level (% total storage) ~" g <br />Outflow (cfs): W ~ ~ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br /> <br />Rills & Gullies on Embankments <br />Inadequate Vegetation V <br />Outlet Channel Erosion <br /> <br />Burrows <br />Other ~~ <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage V <br />Other ~ <br />APPURTENANT STRUCTURES: <br />Defective Spillways JG__ <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other C/ <br />ADDITIONAL COMMENTS <br />MAINTENANCE REQUIRE] <br />is/pond/grtlypnd/Pondinsp.doc <br />