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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 # 2 <br />BERM CREST = 6858.5: BOTTOM POND = 6848.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: -(- 6 ?? 1 <br />Sediment level (% total storage) <br />Outflow (cfs): `Q ?6 ?- ci 1/5 <br />FEATURES PROBLEM COMMENTS <br /> <br />EROSIONAL: YES NO <br /> / <br />Rills & Gullies on Embankments V <br /> <br />Inadequate Vegetation <br />Outlet Channel Erosion ? <br />Burrows / <br />Other <br />STRUCTURAL: <br />Differential Settling <br /> <br />Cracks or Slides <br /> <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />J <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REOUIREE <br />is/document/grtlypnd/Pondinsp. doc