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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 />12 -25 -1; - <br />POND FCT <br />RISER CREST = 55.0; DEWATER HOLE = 51.8 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: S � y <br />Sediment level (% total storage) S.>10 rr oo <br />Outflow (cfs): ri C) v2 <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ✓� <br />STRUCTURAL: <br />Inadequate Vegetation ✓� <br />Outlet Channel Erosion l� <br />Burrows ✓ <br />Other <br />Differential Settling <br />Cracks or Slides <br />✓ <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged ✓ <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: O„C- t2�- <br />MAINTENANCE REQUIRED: <br />INSPECTOR: , a.tz al -k <br />ildocument/grdypnd/Pondinsp doc <br />