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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 />8 l�- iT <br />POND FCT <br />RISER CREST = 55.0; DEWATER HOLE = 51.8 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: —15� <br />Sediment level (% total storage) <So o <br />Outflow (cfs): 0,0z' k S <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments L-11 <br />Inadequate Vegetation <br />Outlet Channel Erosion V <br />Burrows ✓ <br />Other <br />STRUCTURAL: <br />Differential Settling L11 - <br />Cracks or Slides 1/ <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: <br />INSPECTOR: f /� t1 i; syfkkyewCCc4 mic."W-k 13er�kRe <br />is/document/qrtlypnd/Pondinsp.doc <br />