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<br />I <br />I <br />I <br />I <br />I <br />t <br />, <br />, <br />I <br />I <br />I <br />I <br />t <br />t <br />t <br />t <br />t <br />, <br /> <br /> <br />OC2151 <br /> <br />Included In Exhibit F. The operation Includes such Items as canal <br /> <br /> <br />losses, off channel storage, recharge of ground water, consumptive <br /> <br /> <br />use, return flows and other variables which have a bearing upon the <br /> <br /> <br />stream flow in the Arkansas River. To attempt to explain all Items <br /> <br /> <br />included In both exhibits and how they are interrelated, as well as <br /> <br /> <br />the Interpretations and appraisals needed in such studies, would be <br /> <br /> <br />very time consuming and would be difficult to understand because of <br /> <br /> <br />their highly technical character. I have Mr. Ron Blatchley here <br /> <br /> <br />from our office who is responsible for the development of the <br /> <br /> <br />computor programs, and he will be very happy to answer any questions <br /> <br />at the conclusion of this presentation. I should like to state <br /> <br />however that all of the factors plowed into these equations will be <br /> <br /> <br />reviewed in thorough detail and the results analyzed as the studies <br /> <br /> <br />are carried forward to be assured that realistic results are being <br /> <br />obtained. <br /> <br />It might be of Interest to the Committee members to know <br /> <br /> <br />that the programs have been discussed in detail with members of the <br /> <br /> <br />Colorado Water Conservation Board, United States Geological Survey, <br /> <br /> <br />and experts In the field of computor programming and analyses. When <br /> <br /> <br />these studies are programmed for the computor, the same program can be <br /> <br /> <br />adopted for any river system within the State. It might be of interest <br /> <br /> <br />to know that an estimated 24,000 cards would be required, and it would <br /> <br /> <br />take an I.B.M, 1130 computor about 450 hours to complete these out- <br /> <br />lined studies. At a cost of $40.00 per hour, the total cost for the <br /> <br /> <br />machine time alone would approximate $18,000.00. If the model COC 6400 <br /> <br /> <br />computor at Colorado State University were to be used, It might take <br /> <br /> <br />about 30 hours to make these studies. ' At $720.00 per hour for machine <br /> <br /> <br />time, this would cost $21,600.00. This second cost just given might <br /> <br /> <br />be reduced materially when the programming Is completed. <br /> <br /> <br />It Is my personal opinion that no meaningful solution of the <br /> <br /> <br />water problems In the Arkansas River Basin can be made unless computors <br /> <br /> <br />are used. The development of this approach was planned by the Colorado <br /> <br /> <br />Water Conservation Board, and the background was fully developed by <br /> <br />-9- <br />