Railroad Building in Virginia (1827 to 1860) - Virginiahistoryseries.org
Railroad Building in Virginia (1827 to 1860) - Virginiahistoryseries.org
Railroad Building in Virginia (1827 to 1860) - Virginiahistoryseries.org
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Thomas Viaduct (on the B&O RR)<br />
spans the Patapsco River and<br />
Patapsco Valley between Relay and<br />
Elkridge, MD (1833-35) It was the<br />
largest bridge <strong>in</strong> the nation and <strong>to</strong>day<br />
its still the world's oldest multiple<br />
arched s<strong>to</strong>ne railroad bridge