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<br />,. <br /> <br />() <br />. <br /> <br />) <br />. <br /> <br />...... <br />....:} <br />t;..<) <br />0) <br /> <br />CHAPTER B, cont. <br />Fig. 1, Map showing location of the study area (physical map) <br /> <br />2, Pie chart showing relative contributions of sources to the total <br />s~lt load in the Upper Colorado River basin, <br /> <br />v <br /> <br />3. Map showing location of water-quality gaging stations used in stUdy. <br /> <br /> <br />4. Graph showing number of dissolved solids stations versus time, <br /> <br />5. Graph showing number of dissolved solids stations versus effective <br />length of record. <br /> <br />.6. Map showing mean annual dissolved solids loads and concentration for <br />6$ stations in the Upper Colorado River basin. (load, by circle <br />size; concentration, by color; with streams schematically drawn in <br />segments) <br /> <br />7. Graphs showing changes in dissolved solids over time at stations <br />representative of various subregions in the Upper Colorado River <br />basin. <br /> <br />8. Graphs showing seasonal variation of dissolved solids at stations <br />representing various subregions of the Upper Colorado River basin. <br /> <br />9. Graphs showing changes in relative proportions of constituents over <br />time at stations representing various subregions of the Upper <br />COlorado River basin, <br /> <br />10, Graphs showing seasonal variation of relative proportions of water- <br />quality constituents at stations representing various subregions of <br />the Upper Colorado River basin. <br /> <br />11. Graphs showing dissolved solids load and concentration versus <br />streamflow for selected stations in the basin. <br /> <br />12. Graphs showing downstream accumulation of long-term mean dissolved <br />solids load in (a) the Green River basin, (b) the San Juan River <br />basin, and (c) the main stem of the Colorado River. <br /> <br /> <br />13. Map showing historical trends in annual flow-adjusted dissolved <br />solids concentration at selected stations (20 to 30) in the Upper <br />Colorado River basin. <br /> <br />14. Map showing historical trends in flow-adjusted dissolved solids <br />concentration for specific months (or alternatively, seasons) at <br />selected stations in the Upper Colorado River basin. <br /> <br />15. . Map(s) showing historical trends in mean annual concentrations of <br />c9nstituents (mass fractions), with pre- and post-development <br />separated at pertinent sites, at selected stations in the Upper <br />C$lorado River'basin, <br /> <br />,. <br />;'1 <br />;) <br /> <br />12 <br /> <br />~ ,; <br />j <br /> <br />,!- <br /> <br />,'.",,'-", <br /> <br />',' _.k"._., <br /> <br />'-: . jr <br />f; ~ <br />~.do:,.,,, <br />-,;,.",-~, <br /> <br />" ~-- <br /> <br />~4.i-r,.:_"." .:~,,' <br />