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<br /> <br />fHH 987 <br /> <br />CONTENTS <br /> <br />Figures 22-80. <br /> <br />Table <br /> <br />Graphs--Continued <br />50-80. Frequency distributions, Yampa River basin, <br />August-September 1975 through August- <br />September 1976, of--Continued <br />69. Chromium in stream-bottom sediments <br />.70. Copper in stream-bottom sediments . <br />71. Iron in stream-bottom sediments. . <br />72. Mercury in stream-bottom sediments. <br />73. Nickel in stream-bottom sediments <br />74. Dissolved I<jeldahl nitrogen in <br />streams . . . . . . . . . . . . <br />75. Total I<jeldahl nitrogen in streams. <br />76. Dissolved nitrite plus nitrate in <br />streams . . . . . . . . . . . . . <br />77. Total nitrite plus nitrate in streams <br />78. Dissolved and dissolved plus suspend- <br />ed organic carbon in streams. <br />79. Dissolved phosphorus in streams <br />8D. Tota.l phosphorus In streams. . <br /> <br />TABLES <br /> <br />1. <br />2. <br /> <br />Description of sampl ing sites in the Yampa River basin. .. <br />Harmonic analysis of daily stream temperatures in the Yampa <br />Rive r ba sin '. . .. . . . . . . . . . . . . . . . . . . . <br />Harmonic analysis of daily minimum and maximum stream temper- <br />atures near station 09244410, Yampa River below diversion, <br />near Hayden, Colo. (near site Y-47), March 10 to Decem- <br /> <br />ber 30, 1975. . . . . . . . . . . . . . . . . . . . . . . . <br />Harmonic analysis of intermittent stream temperatures in the <br />Yampa River basin, 1960-75, .. ........ <br />\4ater-qual ity standards for water use in Colorado .. . . . . <br />Regional regression relationships for major inorganic con- <br />stituents in streams of the Yampa River basin, as computed <br />from historic data. . . . . . . . . . . . . . . . . . .' . <br />Site-specific regression relationships for major inorganic <br />constituents in streams of the Yampa River basin. . . . . <br />Regional regression relationships for major inorganic Con- <br />stituents in streams of the Yampa River basin, as computed <br />from data collected during the basinwide reconnaissance, <br />August-September 1975 . . . . . . . . . . . . . . . . . <br />Number of sites where trace-element concentrations and pH in <br />streamflow did not meet water-supply, aquatic-life, and <br />agricultural standards, Yampa River basin, August-September <br />1975. . . . . . . . . . . . . . . . . . . . . . . . . . . . <br /> <br />3. <br /> <br />4. <br /> <br />5. <br />6. <br /> <br />7. <br />8. <br /> <br />9. <br /> <br />VII <br /> <br />Page <br /> <br />148 <br />149 <br />150 <br />151 <br />152 <br /> <br />154 <br />155 <br /> <br />156 <br />157 <br /> <br />158 <br />159 <br />160 <br /> <br />Page <br />6. <br />13 <br /> <br />17 <br /> <br />18 <br />22 <br /> <br />27 <br />28 <br /> <br />35 <br /> <br />50 <br /> <br />.t, ,'~ <br />