Document: Colorado Water Congress Newsletter, June 25, 1963, page 6-6- for Bureau of Reclamation cooperative investigations. This led to attempts, beginning in 1947, to obtain congressional authorization of the billion dollar Central Arizona Project. The project bill passed the Senate twice. but couldn't get by the House. Southern California congressmen insisted that the project's proposed 1.2 million acre foot annual diversion would be an invasion of California's water rights and that Arizona first had to clear title to the water. Californians stated that litigation should lead to a settlement in one or two years. In 1951. House Interior Committee deterred action on the Central Arizona Project, until the water rights issue could be sett...