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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 />~0°T7 <br />WASTE WATER TREATMENT POND # 1 <br />BERM CREST = 6571.5: BOTTOM POND = 6861.5 <br />OPERATIONAL STATUS AT TIME OF INSPECTION <br />Approximate water level: ~~' 6870 <br />Sediment -evel (% total storage) ~ ! ~ ~/u ~YPo( ~~~ zv43 <br />Outflow (cfs): V ~~i ~S Q_ 00% cS'~- • ~ G- 6iVq <br />FEATURES PROBLEM COMMENTS <br />EROSIONAL: YES NO <br />Rills & Gullies on Embankments <br /> <br />Inadequate Vegetation _ <br /> / <br />Y <br />Outlet Channel Erosion <br /> <br />Burrows <br />Other <br />STRUCTURAL: <br />Differential Settling v <br />Cracks or Slides / / <br />Seepage <br />Other <br />APPURTENANT STRUCTURES: <br />Defective Spillways <br />Dewa[ering Device Clogged <br />Faulty Gates, Baffles, Pumps <br />Other <br />r/ <br />:/ <br />ADDITIONAL COMMENTS:., c[.. t(d.v AG. ~P S,O il/~•ia d'7 <br />MAINTENANCE REQUIRED: <br />INSPECTOR: r~17 ~. Wa~`~/Sa~ <br />is/documenUgrtlypnd/Pondinsp.doc <br />r~ .` ,arses .' • .;: <br />