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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 />q 25l (g <br />POND G <br />RISER CREST = 6833.24, LOWEST HOLE - 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level (% total storage) <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />STRUCTURAL: <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />Differential Settling ✓1 <br />Cracks or Slides ✓ <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways ✓, <br />Dewatering Device Clogged J� <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: A/On9— <br />INSPECTOR: Ah Gk Am rn&id 8 <br />i:: documendgnlypnd/Pondinsp.doc <br />