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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: G12`d/ t Q <br />SEDIMENT POND IDENTIFICATION: POND C <br />REFERENCE ELEVATIONS: <br />RISER CREST = 6864.4• LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: L ( ?6 Z 3 <br />Sediment level (% total storage) <br />Outflow (cfs): k <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <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 <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: e?c? S'V?Jc?.?/i??C Lv?r?? SDa ?kT <br />Wc, TT--e <br />is/document/grtlypnd/Pondinsp.doc