AN ACT Validating certain conveyances heretofore made by Central Pacific Railway Company, a corporation, and its lessee, Southern Pacific Company, a corporation, involving certain portions of right-of-way, in and in the vicinity of the city of Lodi, and near the station of Acampo, and in the city of Tracy, all in the county of San Joaquin, State of California, and in or in the vicinity of Galt, and Polk, in the county of Sacramento, State of California, acquired by Central Pacific Railway Company under the Act of Congress approved July 1, 1862 (12 Stat.L. 489), as amended by the Act of Congress approved July 2, 1864 (13 Stat.L. 356).