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<br />- - ~ --- - -~- ~-- ~ - - -- - ~ <br /> <br />0> <br />'. ') <br />'c.:_) <br />to <br />to <br />...:t <br /> <br />LOWER COLORADO RIDlON COMPREHENSIVE FRAMEWORK STUDIES <br /> <br />SUMMARY OF FINDINGS <br /> <br />this report presents the results of comprehensive investigations of <br />water and related land resources of the Lower Colorado Region. It pro- <br />vides appraisals of natural resources and their geographic distribution, <br />projections .of future requirements, associated problems and needs, and <br />presents a framework program for the development and management of the <br />water and related land resources of the Region to the year 2020, with <br />intermediate objectives to the years 1980 and 2000. A schedule of <br />implementation is presented, together With a general estimate of costs, <br />for the program. <br /> <br />The Lower Colorado Region, 141,137 square miles in extent, includes <br />most of Arizona, and parts of Nevada., New Mexico, and Utah, and comprises <br />nearlY:5 percent of the contiguous Unite>! states. The population is con- <br />centrated principally in south central Arizona and southern Nevada.. The <br />remainder of the Region f s population is located in small, widely scat- <br />tered communities. Much of the area is uninhabited. <br /> <br />EXcept for the availability of water supply, the Region is bounti- <br />fully provided with resources, space, and general environment Which will <br />support, future growth. Probably the most stimulating single factor on <br />the groWth of the Region is the climate Which permits activities such as <br />irrigated agriculture, construction, entertainment, tourism, and outdoor <br />recreation during the entire year. <br /> <br />Economic Projections and Activities <br /> <br />Inventories and appraisals of resources and development of the <br />Lower Co.l.orado Region were prepared for a base year, 1965, and a 55-year <br />projection time frame With three target years, 1980, 2000, and 2020. <br />National interregional projections, Which equated national demand and <br />supply together with consistent regional projections based upon histor- <br />ical trends in interregional production relationships, were developed by <br />the Office of Business Economics, U.S. Department of Commerce, and the <br />Economic Research Service, U.S. Department of Agriculture. These pro- <br />jections, referred to as OBE-ERS projections in this study, were based <br />upon specific assumptions. A primary assumption was that the population <br />of the United States will grow at the U.S. Census Series C rate which <br />is subst~ntially below the 1962.65 rate, but above more recent rates. <br />Other basic assumptions are included in this and the other functional <br />appendixes relative to the particular resource aspect being considered. <br /> <br />vii <br /> <br />, <br />;1 <br />