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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 />llyZz <br />POND G <br />RISER CREST = 6833.24; LOWEST HOLE = 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: C 6g 3 <br />1 c <br />Sediment level (% total storage) <br />Outflow (cfs): /Uf(_ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments Sl[J C p ?2 Y <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways c? <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: <br />INSPECTOR: 1??/2tbn <br />is/document/grtlypnd/Pondinsp.doc