Between 1841 and 1866, more than 500,000 people followed trails to Oregon, California, and the Salt Lake Valley in one of the greatest mass migrations in Americ

Between 1841 and 1866, more than 500,000 people followed trails to Oregon, California, and the Salt Lake Valley in one of the greatest mass migrations in Americ

Between 1841 and 1866, more than a half-million people followed trails to Oregon, California, and Utah in one of the largest mass migrations in American history

During the early weeks of 1848, as U.S. congressmen debated the territorial status of California, a Swiss immigrant and an itinerant millwright forever altered

In the years after the discovery of gold in California, thousands of fortune seekers made their way west, joining the greatest mass migration in American histor