America's First Railroad Tunnel | Retracing History #63

Engineering of tunnels were pivotal in allow the United States of America to expand west over the Appalachian Mountains. But where is the initial bore? In this edition of Retracing History, we return to the Allegheny Portage Railroad to explore Staple Bend Tunnel, the first tunnel for railroads in North America.
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Delve Deeper Into The History:
https://www.nps.gov/alpo/learn/historyculture/staplebend.htm

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