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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 />Z (' <br />AREA #1 PIT <br />RISER CREST = 6854.11: BOTTOM OF DEWATERING <br />CULVERT = 6851.47 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6951,97 <br />Sediment level (% total storage) V,1 (C n d n/ n <br />Outflow (cfs): a 4 12 -7 <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />STRUCTURAL: <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged 17_ <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: lZP�d ✓� �rYdc( ACa� 1'(1/ ►t2. <br />MAINTENANCE REQUIRED: Ala eg--- <br />INSPECTOR: <br />_ <br />is /document/grtlypnd/Pondinsp.doc <br />