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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 />6112-do <br />POND G <br />RISER CREST = 6833.24• LOWEST HOLE = 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: L` -3U'3)? <br />Sediment level (% total storage) S T-' <br />Outflow (cfs): Ae <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation / <br />Outlet Channel Erosion <br />?v'f+ii,.•/S ,,, hec9 ?ll?Ur.4 <br />Burrows D _ <br />?A SU i (?'?t ?'2 r ?l(?V? <br />Other ?0 I S p r, ti t <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br /> <br /> <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps v <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: <br />INSPECTOR: <br />is/document/grtlypnd/Pondinsp.doc