This year marks the 150th anniversary of the completion of America’s first transcontinental railroad. Between 1863 and 1869, two companies built a rail line across the United States. Union Pacific, starting from Council Bluffs, Iowa, built west, laying more than a thousand miles of rail; Central Pacific, starting from Sacramento, California, built east, laying nearly… MORE
Sean Fraga holds a Ph.D. in History from Princeton University. He studies historical connections between technology, mobility, the environment, and social change, primarily in the North American West and Pacific World during the nineteenth and twentieth centuries.