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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 />~3~3o~a 7 <br />AREA #1 PIT <br />RISER CREST = 6854.11; BOTTOM OF DEWATERING <br />CULVERT = 6851.47 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ''t' ~/ ~ ~ ~(1 d/2 /1"(Uu> <br />o ~ t .~ <br />Sediment level (4'o total storage) ~5 ~ $ w ~(rya~ ~ f S2L~ <br />Outflow (cfs): ~d t/ow <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments +~ // <br />Inadequate Vegetation / C/u rn / n.C SU +~- $~2FOl <br />Outlet Channel Erosion / S~rM~ G' <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides _/ <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged '~ <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCEREQUIRED:~ 5:77 {1/c/rnv ~ a/e~ - /~l. ~ lT~nn/ S~ H- <br />is/documendgrtlypnd/Pondinsp.doc <br />