Public law 456-503, 77th Congress. Reclamation of land. H. R. 4648, act to amend act of Aug. 11, 1939 (53 Stat. 1418), authorizing construction of water conservation and utilization projects in Great Plains and arid and semiarid areas of United States, as amended by act of Oct. 14, 1940 (54 Stat. 1119) [so as to limit amount which may be expended for flood control in any one project].