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<br />OPERATOR: <br />MINE: <br />DATE OF INSPECTION: <br />SEDIIKENT POND IDENTIFICATION: <br />REFERENCE ELEVATIONS: <br /> <br />TWENTYMILE COAL COMPANY <br />FOIDEL CREEK MINE <br />POND C <br />RISER CREST = 6864.4; LOWEST HOLE = 6862.3 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approrimate water level: (~ <br />-v'- <br />Sediment level (% total storage) ~ ~ ~ ,~ <br />Outflow (cfs): ~ <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies oo Embankments ~~ <br />Inadequate Vegetation ~' <br />Outlet Channel Erosion ~/' <br />$urrowa ~ <br />Other ~/ <br />STRUCTURAL: <br />Differential Settling t/ <br />Craclu or Slides ~' <br />Seepage v~ <br />Other ~ <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewateeieg Device Clogged c~ <br />Faulty Cates, Battles, Pumps v <br />Other ~ <br />ADDITIONAL COMMENTS: /4G1.._ <br />MAINTENANCE REQUIRED: A~~.._ <br />i"~ ~_ J. <br />IfdOQIl11H11~~1Y~' • "`~'~~Y.mC <br />