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<br />. <br /> <br />. <br /> <br />~' <br />"") <br />t.) <br />a:. <br />,') <br />--i <br /> <br />Colorado Water Conservation Board investing an even greater amount, On <br />July I, 1965, the Board authorized the investment of $12,400 to match the amount <br />from USGS to expand the scope of the field work and construction of the Analog <br />at the Research Center in Phoenix. Early results were being developed from <br />the valuable information which had been assembled since 1961. On July 1, 1966, <br />the District invested another $10,000 in order that this critical study might be <br />continued, The current contract runs until June 30, 1967, The Analog Model <br />is now in full operation, and is producing some extremely valuable information <br />regarding all water resources in the Arkansas River Valley between Canon City <br />and the Kansas Line, <br /> <br />Our Analog Model is the only one of its type involving a river basin in Colorado, <br />but it is expected that the other three major river basins will have one in the <br />future. in order that their water programs might be methodically and scientif- <br />ically developed, As previously mentioned, many other States have Analog <br />Programs at Phoenix, including Texas, Arizona, California and Florida, <br /> <br />The Orange County, California model is one of the most complex. A booklet <br />describing their program states; "An electrical analog model is a convenient <br />device for integration of the cause and effect relations in a dynamic aquifer <br />system, The analogy between the flow of electrical charge in a conductor and <br />the flow of fluid through saturated por 0 u S media is predicated on mathematical <br />logic and an understanding of basic physical laws", Their Analog is used to <br />de'l!'elop the following information; "(1) utilization of the ground-water basin for <br />storage, and regulation of water 'supplies, (2) installition of hydraulic barriers <br />to arrest or prevent salt-water intrusion, (3) artificial recharge of the ground- <br />water basin, (4) reclamation of sewage and waste water, and (5) augmentation <br />of local and imported water supplies by desalination of ocean water, The model <br />will be used in a continuing investigation program of engineering and hydrologic <br />problems involved in: (1) determination of the ground- water storage capacity <br />and selection of recharge areas, (2) determination of water-storage requirements <br />necessary to optimize surface deliveries of imported water, (3) selection of de- <br />sirable pumping patterns and regulations of pumping, (4) sizing of a sewage <br />reclamation plant, (5) design and operation of hydraulic barriers, and (6) quanti- <br />tative determination of the subsurface flow of ground water across the Los Angeles <br />- Orange County Line, " <br /> <br />If one Analog Model can ra:'form these miracles for the area near Los Angeles, <br />already overcrowded to the extent where water is the single factor which will re- <br />tard their growth, then it should follow that the Arkansas Valley should utilize <br />;:0. similar instrument to chart a healthy course for future growth through the wise <br />use of all waters to which the people in this Valley are legally entitled, Even if <br />there were no Fryingpan-Arkansas Project, the Valley needs the scientific in- <br />formation available from the Analog, <br /> <br />- 2- <br />