Hearings Before the Subcommittee on Equipment, Supplies, and Manpower of the Committee on Agriculture House of Representatives Eighty-fifth Congress, Second Session on Problems in the Southwest, Held in Riverside, Calif., February 28, 1958, El Centro, Calif., March 1, 1958, and Phoenix, Ariz., March 3, 1958, and Mexican Labor on June 9, 10, 11, 12, and July 2, 1958. (H.R. 7028, H.R. 10357, H.R. 10358, H.R. 10359, H.R. 10360, H.R. 10361, and H.R. 10968).