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OPERATOR: TWENTYMILE COAL COMPANY <br />MINE: FOIDEL CREEK MINE <br />DATE OF INSPECTION: q 1-231 1 f - <br />SEDIMENT POND IDENTIFICATION: WASTE WATER TREATMENT POND # 3 <br />REFERENCE ELEVATIONS: BERM CREST = 6852.5: BOTTOM POND = 6842.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: z C k> <br />Sediment level (% total storage) `' ala <br />Outflow (c&): <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />f <br />Rills & Gullies on Embankments <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides VZ <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Battles, Pumps <br />Other <br />ADDITIONAL COMMENTS: (d {' it;e N- f'rwnd,led <br />MAINTENANCE REQUIRED: <br />INSPECTOR: e <br />1,It omiiienWgrttypnici/Pondirns.p,dee <br />