20th. Library of Congress Since the end of the Civil War, railroad construction in the United States had been booming. Between 1866 and 1873, 35,000 miles of new track were laid across the country.
20th. Library of Congress Since the end of the Civil War, railroad construction in the United States had been booming. Between 1866 and 1873, 35,000 miles of new track were laid across the country.
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