5343937
9780791093511
In May 1869, the U.S. railroad network unified when the Central Pacific and Union Pacific railroads came together in Promontory. Utah--an important milestone in the expansion of the United States with both positive and negative impacts on the nation.Renehan, Edward J., Jr. is the author of 'Transcontinental Railroad The Gateway to the West', published 2007 under ISBN 9780791093511 and ISBN 0791093514.
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