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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 />3~2 ~ ~96 <br />RISER CREST = 68ti4.4: LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: (a86° <br />Sediment level (% total storage) 20~-0 ~sT <br />Outflow (cfs): i/Oi/£ c . <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments k <br />Inadequate Vegetation _~ <br />Outlet Channel Erosion X <br />Burrows ~_ <br />Other X <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides ~ <br />Seepage ~ <br />Other ~~ <br />APPURTENANT STRUCTURES; <br />Defective Spillways X <br />Dewatering Device Clogged ~_ <br />Faulty Gates, Battles, Pumps <br />Other ~ <br />ADDITIONAL COMMENTS: ~~~ <br />MAINTENANCE REQUIRED: ~"~~~ <br />1: DOCUEMNT/PON DIN S P. DOC <br />