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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: ,3~d 7~d 2 <br />SEDIMENT POND IDENTIFICATION: POND E <br />REFERENCE ELEVATIONS: RISER CREST = 6843.4; DEWATER HOLE = 6840.6 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: G> ~y ` <br />iQ °/ <br />Sediment level (% total storage) <br />Outflow (cfs): a ~ 3Fk (//yr,7~~ O .,Q~.7 <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ~, <br />Inadequate Vegetation °~_ <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 ~~ <br />Other ~~ <br />