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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 />-31a Itss <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: b�57�s <br />Sediment level (% total storage) _ -" 10 jD <br />Outflow (cfs): ✓` o. (>3 C �S <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments V <br />Inadequate Vegetation <br />Outlet Channel Erosion ✓� <br />Burrows J� <br />STRUCTURAL: <br />Other <br />Differential Settling <br />Cracks or Slides �G <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged <br />Faulty Gates, Baffles, Pumps J� <br />Other <br />ADDITIONAL COMMENTS: 15 O 4 S , Aim �VD(f 04S OW140( CO'( 1 AyA��"• <br />MAINTENANCE <br />INSPECTOR: <br />i:: documendgrtlypnd/Pondinsp.doc <br />