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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 />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: CD 0 57,H-7 <br />Sediment level (% total storage) rl Dw)l <br />Outflow (cfs): 1 ` ��� t <br />FEATURES <br />PROBLEM COMMENTS <br />EROSIONAL: <br />YES NO <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />v <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other Y <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: NOn f <br />INSPECTOR:j <br />is document/grtlypnd/Pondinsp doc <br />