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<br /> HIGH-WATER YEAR I <br /> 120,000 3 100 <br /> - Discharge 90 I <br /> 100,000 ..... Sediment 2.5 .~ <br /> 80 I <br /> - Temperature <br /> 80,000 2 70 <br /> 60 I <br /> 60,000 1.5 50 <br /> 40 I <br /> 40,000 1 <br /> 30 <br /> ?{ 20 I <br /> 0 <br />0 20,000 0.5 Ct: t::: <br />z w 10 w <br />0 a.. :I: <br />fj U1 z I <br /> z w <br />U1 0 0 ~ 0 Ct: <br />Ct: 0 N D J F M A M J J A S :I: <br />~ t.. ~ <br /> 1956 1957 0 (fJ ,I <br />m U1 t:l <br /> z <br /> 0 ll:: <br />(,) LOW-WATER YEAR j &3 <br />CD 0 I <br />~ 120,000 3 :E 100 z <br />u Z <br /> --:' Discharge W <br />z ci 90 ll:: <br />~ 100,000 -..; Sediment 2.5 <: ::). I <br /> 9 80 ~ <br />Ct: 0:: <br /><: - Temperature ~ w <br />:I: Z Q.. <br />U 2 w 70 ~ <br />U1 80,000 :E w I <br />0 0 I- <br /> W 60 <br /> U1 <br /> 60,000 1.5 50 I <br /> ! 40 <br /> 40,000 30 t <br /> : i <br /> n ~ . . 20 <br /> . . <br /> 20,000 00 " . . 0.5 <br /> .. I' . . <br /> '. \ <br /> \. . I <br /> i ~ :: 10 <br /> I <br /> " .: ~.t <". , <br /> 0 Vi''; "I: 0 0 <br /> 0 N D J F M A M J J A S I <br /> 1952 1953 <br />Figure IV-1. Flow volume, sediment load, and water 'I <br />temperature from low- and high-water years prior to dam <br />construction, measured at the USGS gaging station at I <br />Lees Ferry. <br /> 24 I <br /> I <br /> <br /> <br /> <br /> <br />