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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 />3lablm <br />POND G <br />RISER CREST = 6833.24: LOWEST HOLE = 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6530 <br />Sediment level (% total storage) 610 <br />Outflow (cfs): O C % <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ✓1 <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows ✓ <br />0 Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slidesy <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways ✓ <br />Dewatering Device Clogged V' <br />Faulty Gates, Baffles, Pumps ✓ <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: More- _ <br />INSPECTOR: AA KQJJ Cak <br />is document/grtlypnd/Pondinsp.doc <br />