The first railroads in the United States were engineering marvels built to conquer America's deadliest places. Using cutting-edge science, engineers and builders changed the nation by connecting the California frontier with the rest of the country. |
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Title: | The Trains That Built America | |
Air Date: | May 8, 2019 | |
Runtime: | 60 min | |
AngelaJH : these links are all the same as those for episode 2!