On July 1, 1862, President Lincoln signed the Pacific Railway Act. This act created the Union Pacific Railroad and authorized government loans and land grants to aid in the construction of the nation's first transcontinental railroad, which would connect Omaha, Nebraska, to Sacramento, California. As the Union Pacific raced west across prairies, mountains, and basins in 1867 and 1868, the Territory of Wyoming and many of its southern towns and cities...