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<br /> <br /> <br />2:100 <br /> <br /> 100 . 494 <br /> I, II <br /> " -of, <br /> I, <br /> , I 1\ <br /> , 1 I~ <br /> , I <br /> I I \ <br /> 80 I I I \ <br /> J I I , <br /> . <br />.... I I I , <br />... . I \ <br />E I I I <br /> I I I <br />II: , <br />III , I I <br />I- 60 I I I , <br />l- . , I \ <br />C I I , . <br />:I I I \ I \ <br /> I J \ . \ <br />0 I I I ,~ I <br />III 1 , \ ,I I \ <br />0 . II I \ <br />z I , \ <br />III 40 I I \ I \ <br />Q. I \ <br />1/1 I \ <br />::) <br />1/1 I \ <br /> I \ <br /> \ \ <br /> I <br /> 20 \ I <br /> I \ <br /> \ <br /> ... <br /> , <br /> , ".- - <br /> '." <br /> 0 <br /> JJ A S 0 N D F M A M J JA S ON D <br /> 1974 J 197:1 <br /> <br />2000 <br /> <br />. <br />.... <br /> <br />'00' I i <br /> <br /> <br />10001/1 <br />Q <br /> <br /> <br /> <br />:100 <br /> <br />-. -. <br /> <br />o <br /> <br />F M <br />I 76 <br /> <br />Figure 22.-Monthly variations in suspended matter and discharge, 1974- 6. <br /> <br />SEASONAL TRENDS ARKANSAS RIVER 1972 - 7 <br /> <br />TOTAL "AIIDNIS't CALCIUM HAItD... I TOTAL AUCALINITY. .0:. <br /> <br />t - HARONESS <br />A. Co HARDNESS <br />t-ALK <br />.. so':- <br /> <br />';400 <br />o <br />~ <br />u <br /> <br />.... <br />. <br />. - <br /> <br />,/~. <br />~ o~~' <br /> <br /> <br />.----.------. <br />.----- --- <br />.,__0 <br /> <br /> <br />~ ''-.., <br />"~ <br /> <br />0-- <br /> <br /> <br />. <br />o <br />;: <br />. <br />. <br />=.00 <br />.. <br />u <br />. <br />o <br />u <br /> <br />100 <br /> <br />S 0 <br />'"71 <br /> <br />o <br /> <br />J <br />1I?4 <br /> <br />M <br /> <br />J, <br /> <br />J <br />1171 <br /> <br />M <br /> <br />COLLICTIOIII <br /> <br />DATI <br /> <br />Figure 23.-Seasonal trends of total hardness, total alkalinity, calcium hard ess, and <br />sulfate in Arkansas River, 1972-74. <br /> <br />20 <br />