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<br />. <br /> <br />CQ.;rE;lrs <br /> <br />0 <br /><.C Page <br />00 Summary 1 <br />W . . . . . . . . . . . . . . . . <br /> Pan 1 Introduction. . . . . . . . . 3 <br /> A. Authoriz.:ltion for report J <br /> B. Previous reports 3 <br /> C. Scope. . . . . . . . . . 4 <br /> C. Cooperation. . . . . . . 4 <br /> "- Water quality legislation. S <br /> L Water Quality Act of 1965 and related <br /> developments . . . . . 5 <br /> 2. Federal Water Pollution Control Act . <br /> Amendments of 1972 . . . . . . . . 7 <br /> 3. Colorado River Basin Salinity Control <br /> Act 9 <br /> Part [[ Description of Basin. 10 <br /> A. Geology. 10 <br /> B. Soils 11 <br /> C. Climate. . 11 <br /> U. Vegetation 12 <br />. "- Hydrology. 13 <br />Part 1[[ Hislory of water resource development 15 <br /> A. Irrigation development 15 <br /> B. Streamflow depletions. . . . 15 <br /> C. Legal aspects. . . . . . . 16 <br /> L Colorado River Compact. 16 <br /> 2. Mexican Treaty. . . . . 17 <br /> 3. Upper Colorado River Basin Compact. 21 <br /> 4. Arizona vs. California suit i" the <br /> Supreme Court. . . . . . . . . . 21 <br /> 5. Colorado River Hasin Project Act. 22 <br /> D. Economic cond i t ions. 23 <br /> Part IV Special studies . . . 25 <br /> A. Impoundments . . . 25 <br /> L Flaming Gorge Reservoir 25 <br /> , Lake Powell 25 <br /> . . . . <br /> 3. L.l.ke :-lead . . . 26 <br /> B. Gpper Colorado River so.llinity investigations 26 <br /> C. Lower Colorado Riv~r salinity investigations 27 <br /> iJ. Irrigated areas. . . 28 <br /> L Vernal .1rea . . 28 <br /> 2. Florida project 29 <br /> 3. Other studies . 29 <br /> <br />. <br /> <br />i <br /> <br />