|
<br />
<br /> 30,000,000
<br /> 21,000,000
<br /> 24,000,000
<br /> 21 ,000,000
<br /> 18,000,000
<br />=
<br />= 15,000,000
<br />-=
<br />CIl=
<br />.!g 12,000,000
<br />'l"'I
<br />~ II
<br />CJ,x 9,000,000
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<br />.... 6,000,000
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<br /><( 10000
<br />
<br />lake Powell levels
<br />. Source USSR Water Opetallons webslte
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<br />14Mar63 13MarS1 12Mar11 11 Mar15 10Mar19 09Mar83 OaMarB1 07Mar91 OSMar95 05Mar99 04Mar03 03Mar07
<br />13MarS5 12Mar69 11 Mar73 10Mar77 09MarB1 OBMarB5 07Mar89 06Mar93 05Mar97 04Mar01 03Mar05
<br />
<br />Date 1 major tick = 1 year
<br />
<br />Historic Flows at Lee Ferry 1981 - 2006
<br />- source UCRC Annual Reports
<br />
<br />25000
<br />
<br /> / SURPLUS
<br /> ~
<br /> ,
<br /> ,
<br /> I SURPLUS
<br /> MINIMUM OBJECTIVE
<br /> - I-- - RELEASE - 8.23 MAF
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<br />Year
<br />
<br />FIGURE V-6 and V-7: Powell Storage and Flow at Lee Ferry below Glen Canyon Dam
<br />
<br />Page -60-
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