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<br />'. <br /> <br />Chapter A, cont. <br /> <br />~ <br />~ <br />~ <br />~ <br /> <br />I <br /> <br /> <br />. <br /> <br />. <br /> <br />Graph showing drainage area versus length of record for <br />gaging stations in the Upper Colorado River basin. <br /> <br />19, Figure showing historical annual flows at selected stations <br />in the Upper Colorado River basin. <br /> <br />~8. <br /> <br />20. Mean monthly flows at selected stations in the Upper Colorado <br />River basin <br /> <br />21. Graph depicting seasonal streamflow variability related to <br />climatic variation in the basin <br /> <br />22, Annual streamflow hydrographs depicting seasonal streamflow <br />components for selected gaging stations in the Upper Colorado . <br />River basin <br /> <br />23. Long-term flow-duration curves Showing natural-flow <br />conditions at selected stations in the Upper Colorado River <br />basin <br /> <br />24. <br /> <br />Flow-duration curves during pre- and post-development at <br />selected stations in the Upper Colorado River basin <br /> <br />25. Comparison of natural streamflow to historical gaged <br />streamflow at selected stations (monthly and annual) <br /> <br />26. Comparison of U.S. Bureau of Reclamation natural flows <br />determined by adjusting historical flows for water-use <br />development to natural flows estimated from historic climatic <br />data. <br /> <br />27. Maps showing areas in the Upper Colorado River basin <br />charactized by (a) positive or negative trends in long-term <br />monthly precipitation and (b) positive or negative trends. in <br />long-term monthly temperature (Two separate maps presented <br />side by side for comparison) <br /> <br />Maps showing areas in the Upper Colorado River basin <br />characterized by positive or negative trends in (a) <br />historical gaged streamflow and (b) estimated natural <br />streamflow. (Two separate maps presented side by side for <br />comparison) <br /> <br />28. <br /> <br />29, <br /> <br /> <br />f <br />.~ <br /> <br />Maps showing areas in the Upper Colorado River basin <br />characterized by positive or negative trends in historical <br />streamflow (a) prior to and (b) following 1960. (Two <br />separate maps presented side by side for comparison) <br /> <br />~ <br /> <br />7 <br /> <br />