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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~~/d~, <br />WASTE WATER TREATMENT POND # 1 <br />BERM CREST = 6871.5: BOTTOM POND = 6861.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: `'C'~~0 ~.5~(/~/ rt-/CP~~ <br />Sedimentlevel(% total storage) - o ~/P~( ~ 3 <br />Outflow (cfs): ~t (lCS~ (~ Q 6 ` Cc ~' Ih R . G /Gt . <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation ~ <br />Outlet Channel Erosion / .St't0 N' ~ CC e- <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling t~ <br />Cracks or Slides ~ <br />Seepage / S +'1l/~ <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways _ <br />Dewatering Device Clogged y ~"k/ <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL CC <br />MAINTENANCE <br />is/dowmenUgrtlypnd/Pondinsp.doc <br />