Hearings Before the Subcommittee on Irrigation and Reclamation of the Committee on Interior and Insular Affairs, House of Representatives, Eighty-eighth Congress, First Session on S. 2, H.R. 2683, H.R. 2689, H.R. 4048, H.R. 7234, H.R. 7239, and H.R. 7258 Bills to Establish Water Resources Research Centers at Land-grant Colleges and State Universities, to Stimulate Water Research at Other Colleges, Universities, and Centers of Competence, and to Promote a More Adequate National Program of Water Research