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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 />~( 27~0~ <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 />a <br />Sediment level (% total storage) n- 1 ~ ~~ <br />Outflow (cfs): 0 -0 6 ~o <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES N~ <br />Rills & Gullies on Embankments <br />v <br />Inadequate Vegetation _ <br />Outlet Channel Erosion `~ <br />Burrows <br />Other <br />STRUCTURAL: <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 <br />MAINTENANCE REQUIRED <br />/t <br />is/documenVgrtlypnd/Pondinsp.doc <br />