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TABLE OF CONTENTS Page Chapter I. The Resources 1 Distribution 2 Programs for Development 5 Chapter II. Water - Present Uses and Future Needs 7 Lower Colorado River 10 Lower Colorado River Tributaries 12 California (Outside the Colorado River Basin) 16 Summary 19 Chapter III. Plan of Development 24 Initial Pacific Southwest Water Plan 24 Fish and Wildlife Benefits 35 Specific Fish and Wildlife Costs 36 Operation and Maintenance Costs 38 Long Range Developments After the Initial Pacific Southwest Water Plan 52 TABLES Table No. 1. Water - Present Uses and Future Needs of Fish and Wildlife Installations Pacific Southwest Water Plan 20 1a. Water - Present Uses and Future Needs of Fish and Wildlife Installations Pacific Southwest Water Plan (By Government Entities) 21 1b. Water - Present Uses and Future Needs of Fish and Wildlife Installations Pacific Southwest Water Plan (By States) 22 2. Average Annual Fish and Wildlife Benefits 36 3. Specific Costs of Fish and Wildlife Measures 37 4. Operation and Maintenance Costs, Fish and Wildlife Measures 38 iEpson Perfection 4870 Photo, 400 dpi, 8 bit, 14,163,968 byte