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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 />/L~~~7 <br />POND D <br />RISER CREST = 6849.9; LOWEST HOLE = 6846.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: G ~ ~ ~~' • ~ <br />Sediment level (% total storage) ~w ~d CS ~"'. <br />Outflow (cfs): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments '~ <br />Inadequate Vegetation <br />,/ S'hcy./ CvJQ / <br />Outlet Channel Erosion <br />Burrows '~ <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage ~ <br />Other <br />APPURTENANT STRUCTURES: <br />>/ <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps N/~ <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: L~ l r2~ (' li7« ~S 1~,~~,-/' _! /~ vrn n-i pi`, <br />INSPECTOR: ~ /<U i . ci / ~~/ < C9-.~ <br />is/pond/grtlypnd/Pondinsp.doc <br />