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<br />00073~ <br /> <br />Policy Commission, "A Water Resource Policy for the American <br />People, " stated: <br /> <br />"The attempt to use science and technical skill to force <br /> <br />water from the clouds is symbolic of the modern determina- <br /> <br /> <br />tion to control and use water rather than submit to it. "!.! <br /> <br />The skills required to "force water from the clouds" have increased <br /> <br />to the extent that upon evaluating results of experiments and opera- <br /> <br />tions the National Academy of Sciences-National Research Council <br /> <br />reported in early 1966: <br /> <br />"The available evidence, though not conclusive. indicates <br /> <br />that artificial nucleation techniques, under certain meteor- <br /> <br />ological conditions, may be used to modify the space or <br /> <br />time distribution of precipitation, Specifically. we find <br /> <br />some evidence for precipitation increases of as much as <br /> <br />10 or even 20 percent over areas as large as 1, 000 square <br /> <br /> <br />miles over periods ranging from weeks to years. "!J.! <br /> <br />In a 1966 special report, the National Science Foundation endorsed <br /> <br />this opinion and found "attractive opportunities" existing for the <br /> <br />4/ "A Water Resource Policy for the American People, " Report of the <br />'President's Water Resources Policy Commission, 1950, p l. <br />5!"Weather and Climate Modification--Problems and Prospects," <br />Publication No. 1350, (2 vol.), National Academy of Sciences-National <br />Research CouncIl, Washington, D. C., 1966. <br /> <br />3 <br />