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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 />R-- L -t7 <br />WASTE WATER TREATMENT POND # 1 <br />BERM CREST = 6871.5: BOTTOM POND = 6861.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: <br />Sediment level (% total storage) <br />Outflow (cfs): <br />- 0, 005 <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments ✓ <br />Inadequate Vegetation <br />Outlet Channel Erosion ✓ <br />Burrows ✓ <br />Other <br />STRUCTURAL: <br />Differential Settling <br />Cracks or Slidesy <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewatering Device Clogged ✓ 116 <br />Faulty Gates, Baffles, Pumps ✓ Ci er"'V'- <br />Other <br />ADDITIONAL COMMENTS: {� <br />MAINTENANCE REQUIRED: itQP�&u- -era-Vol <br />INSPECTOR: <br />is/document/grtlypnd/Pondinsp. doc <br />