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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`j�� <br />POND G <br />RISER CREST = 6833.24; LOWEST HOLE = 6830.34 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: Fig _4z <br />Sediment level (% total storage)G� a <br />f [b <br />Outflow (cfs): /�l C%1 <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Sno tiL1 C'(J �✓ <br />Inadequate Vegetation <br />Outlet Channel Erosion / <br />Burrows <br />STRUCTURAL: <br />Other <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defectiv e Spillways <br />Dewate ring Device Clogged V/ <br />Faulty G ates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: IPrr 1Ci1PIf oi&L, l017CA" 7`iP ;()MAW Z0/S` <br />MAINTENANCE REQUIRED: Q%La — [ C �,r��d7✓,,n c <br />is/documenUgrtlypnd/Pondinsp doc <br />