National Geographic Railroad Legacy Map of the United Sta...
National Geographic Maps Expertly researched and designed, National Geographic's Railroad Legacy Map of the United States illustrates the many ways railroads have impacted the nation and shaped people's daily lives. From the creation of time zones still used today to the contributions to the country's economic and industrial development, America's railroad legacy is interwoven with the growth of the United States in the 19th and 20th centuries and of the century to co...