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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 />l 2-216 -1-+ <br />POND D <br />RISER CREST = 6849.9; LOWEST HOLE = 6846.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: 6 K 6. 6 <br />Sediment level (% total storage) L SO10 <br />Outflow (cfs): p , O Z Ck-S <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />STRUCTURAL: <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion _ <br />Burrows <br />Other <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways I ---- <br />Dewatering <br />Dewatering Device Clogged l� <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: rlumer <br />MAINTENANCE REQUIRED: [Zra _ <br />INSPECTOR: <br />i./document/grtlypnd/Pondinsp.doc <br />