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STME OF COLORADO <br /> COLORADO WATER CONSERVATION BOARD <br /> Department of Natural Resources <br /> 823 State Centennial Building <br /> 1313 Sherman Street <br /> Denver,Colorado 80203 <br /> Phone:(303)866-3441 '� t <br /> M E M O R A N D U M Richard D.Lamm <br /> °— — — — — — Governor <br /> J.William McDonald <br /> Director <br /> TO: Members, CWCB David W.Walker <br /> Deputy Director <br /> FROM: Bill McDonald <br /> DATE: June 1 , 1982 <br /> SUBJECT: Colorado River Enhanced Snowpack Test (CREST) <br /> Background <br /> The Bureau of Reclamation embarked upon a major winter <br /> orographic cloud seeding program in the Upper Colorado River <br /> Basin in 1970 with the initiation of Project Skywater . The <br /> project ran for a period of five years and then it took another <br /> couple of years to publish the results. For a variety of <br /> reasons, a good deal of controversy arose over the proper <br /> interpretation of the Project Skywater results. This, coupled <br /> with other considerations, prompted a Congressionally directed <br /> inquiry into the state of the art of weather modification in the <br /> late 1970s. <br /> As a consequence of this inquiry and other factors, the <br /> Bureau' s weather modification program in the Upper Colorado River <br /> Basin has been, for the past several years, a relatively low-key <br /> and small-budget program. Indeed , in the past four or five <br /> years the President's recommended budget did not include funding <br /> for winter orographic cloud seeding activities in the Upper <br /> Colorado River Basin. Appropriations amounting to only several <br /> hundred thousand dollars annually were made by Congress only <br /> after several of the Colorado River Basin states requested the <br /> same each year. <br /> CREST Program <br /> It is against this background that the Bureau of Reclamation <br /> has recommended an acceleration of its weather modification <br /> research program in the Colorado River Basin . In particular , the <br /> Bureau of Reclamation, in late 1981 , indicated that a major <br /> d175 <br /> crest <br /> Robert A.Jackson,Chairman•John R.Fetcher,Vice Chairman <br /> CM.Furneaux,Dale F.Grant,Richard W.Johnston,Jr.Frederick V.Krrx'ger.David W.Robbins.Herbert H.Vandemoer <br />