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<br />In a progress report released in 1960, the Geological Survey reported a loss <br />of 175 acre feet of water in 1957 by evapo-transpiration along a 4.1 mile <br />stretch. Evapo-transpira tion 10 s se s for the lower 1 Vz mile subreach amounted <br />to 100 acre feet during the period March through October of 1959. <br /> <br />After 22 acres of cottonwood and other riparian species were removed from <br />the lower subreach, there was a saving of 42.5 acre feet of water for a 17 <br />week period from April through July of 1961. This amounts to a saving of <br />1. 9 acre feet of water for each acre of cottonwoods treated. <br /> <br />Removal of cottonwoods fro m 22 acres saved enough water to supply the <br />annual per capita needs of 187 people, Of course, enough water could be <br />saved to supply the annual needs of 450 people if a dam were built at the loca- <br />tion of the upper stream gage and the water piped to a point of use down- <br />stream. <br /> <br />SUMMARY <br /> <br />Sparked by the Tall Pines Farm Bureau meeting in 1954, the orlgln and <br />remarkable development of the Arizona Watershed Program has been made <br />pos sible by the cooperative efforts of many people. This widespread support <br />has been largely due to the efforts of the Arizona Water Resources Commit- <br />tee, a citizens group representing the major economic interests of the State. <br />The program has been given widespread support from industry as is indicated <br />by the many contributors that made pos sible the production of "The Cibecue <br />Watershed" film. Research and applied management phases of the program <br />have been carried forward by many Federal and State agencies. With an <br />ever growing demand for technically competent men of many disciplines, our <br />Universities and Colle ges have increased the i r educational facilities and <br />research activities. <br /> <br />Who, one might ask, doesn't have an interest in producing more water for <br />the home, the farm and the factory; more timber and forest products; more <br />forage and browse for livestock and game; better conditions for recreation; <br />less erosion; and less destruction bywildfires? These are the objectives of <br />the Arizona Watershed Program. <br /> <br />esented August 26, <br />This pape~ was P:rvation society of <br />of the so~l cons <br />. JulY 22, 1963. <br /> <br />1963 at <br />Alnerica <br /> <br />the 18th Annual <br />in Logan, utah. <br /> <br />Meeting <br /> <br />July 22, 1963 <br /> <br />- 13 - <br />