The transcontinental railroad: The construction (1 янв 1862 г. – 10 май 1869 г.)
Описание:
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.Добавлено на ленту времени:
Дата:
1 янв 1862 г.
10 май 1869 г.
~ 7 years and 4 months