The Transcontinental Railroad

ISBN: 9780791093511

出版社: Facts on File

出版年: 2007-6

页数: 120

定价: $ 55.09

装帧: HRD

内容简介

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.