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<br />OPF,RATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIMENT POND IDENTIFICATION: <br />TWENTYMILE COAL COMPANY <br />FpOI/DEL CREEK MINE <br />~ Z3196 <br />REFERENCE ELEVATIONS; <br />RISER CREST = 6792.5: LOW EST HOLE = 6966.2 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sedimen[level(% [olalstorage) <br />Outflow (cfs): <br />G9(o S S <br />O <br />FEATURES PROBLEM COMMENTS <br />EROSfONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion ~ <br />Burrows <br />Other <br />STRUCTURAL <br />Differential Settling y <br />Cracks or Slidesa (~ <br /> </ <br />Seepage <br />Other v <br />APPURTENANT STRUCTURES; <br />Defective Spillways !~ <br />Dewatering Device Clogged <br />Faulty Gates, BafBes, Pumps !~ <br />Other <br />ADDITIONAL COMMENTS: ~O~)L' <br />MAINTENANCE REQUI <br />I:/DOCUMENT/PON DIN SP.DOC <br />