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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 />WASTE WATER TREATMENT POND # 3 <br />BERM CREST = 6852.5; BOTTOM POND = 6842.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ^ C k I/ q_ 4-.- <br />Sediment level (% total storage) <br />Outflow (cfs): Z cS ?s f <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments V <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />Other <br /> <br />S,-L(i,Aj CU?,e? <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slides <br />Seepage <br />Other <br />r/ <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps i? <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: <br />INSPECTOR: "e / E?rSe? <br />is/documen t/grtlypnd/Pondinsp.doc