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<br /> Vertically Exaggerated <br /> 1 H:2V <br />1000 <br /> <br /> 950 Deeanl Pond <br /> (EI. 8899 ft.) Crest El. 8900 ft. <br /> 900 - -- -- -- <br /> 850 <br /> 4y~L w <br /> 800 ~q <br />C <br />o Tailing Sands <br />~ ~ <br />p 750 ~ , <br />o <br />m <br />o 700 Tailing Slimes ay. <br /> <br />- ~~ <br />~ <br />~'~~ Starter Dike <br /> 650 <br /> Foundation Drain <br />W / <br /> <br /> 600 --~-- - <br /> 550 Foundation <br /> <br /> 500 <br /> Bed Rock (impermeable) <br /> 450 <br /> I I I I I I 1_ ~ I I I I I <br />' 400 <br />'~ 1200 1400 1600 1600 2000 2200 2400 2600 2600 3000 3200 3400 3600 3800 <br /> Horizontal Distance (feet) <br /> LEGEND <br /> X Observed location of phreatic surface <br /> within Piezometers <br /> (readings taken between Jan. '00 and Apol'00 <br /> Project No. Henderson Tailing Dam <br /> <br />ssooo4asls Ultimate Dam Hei ht Phreatic Surtace Fi ure <br />9 g <br /> Following PMP Event 5 <br /> URS Greiner Woodward Clyde (Tailing Sands "k" 10 times higher than Base Case) <br />Ol900T OflF+~N A11101 l~nititl~ <br />