Central Arizona project, hearings before Subcommittee on Water and Power Resources, 90th Congress, 1st session, on S. 1004, S. 1013, S. 861, S. 1242, and S. 1409, bills to authorize construction, operation, and maintenance of Central Arizona project (Ariz.-N. Mex.), and Colorado River project, and for other purposes, May 2-5, 1967.