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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 />L4 <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: /- <br />Sediment level (% total storage) 5- l C's- <br />Outflow (cfs): L°S� _ �� (((R' C� S, <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments V / fQ� <br />Inadequate Vegetation <br />Outlet Channel Erosion <br />Burrows <br />STRUCTURAL: <br />Other <br />Differential Settling ✓ <br />Cracks or Slides <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />ADDITIONAL COMMENTS: <br />MAINTENANCE REQUIRED: / &ck Spy V, ti 5 <br />i : /document/grtlypnd/Pondinsp.doc <br />