By the 1840s, daring Americans were trickling westward to begin a new life in the great wide open. When gold was discovered in 1848, the promise of riches drew people by the thousands out to California. But the journey was slow and dangerous, since the best ways of travelling were by wagon and on foot.During the railroad fever of the 1830s, thousands of miles of track were laid, mostly throughout the Northeast and the South. Few had dreamt of extending this new travel westward-but all it takes is a few. Abraham Lincoln signed the Pacific Railroad Act in 1862, allowing for the start of the first transcontinental railroad.Though construction problems and hard times confronted them, American workers, Chinese immigrants, and former slaves pounded away through the rough geography of the western U.S., paving a path for the new train. A day in the life of a railroad worker was not an easy one. The work was backbreaking; the conditions were terrible; and workers were often faced with attack from Native Americans. The building of the railroad turned into a great race between two companies, the Central Pacific and the Union Pacific, to see who could finish their part of the railroad faster. ...