[Committee hearings] serial, 90th Congress. 5. Colorado River Basin project, hearings before Subcommittee on Irrigation and Reclamation, 90th Congress, 1st session, on H.R. 3300 and similar bills, to authorise construction, operation, and maintenance of Colorado River Basin project, and for other purposes, S. 20 and similar bills, to provide for comprehensive review of national water resource problems and programs, and for other purposes, Mar. 13-17, 1967.