The transcontinental railroad: The construction (1 ene 1862 año – 10 mayo 1869 año)
Descripción:
The Transcontinental Railroad linked the United States from east to west. Two companies, the Pacific Railroad Act and the Union Pacific Railroad company , built the railroad going towards each other and met in the middle when it was completed. The railroad was completed in Promontory, Utah on May 10,1869.