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- "Profiles of the Erie, Ohio and Chesapeake & Ohio Canals and the Baltimore & Ohio Railroad," circa 1832 - The first half of the 19th century was the heyday of canal construction in the United States. This circa 1832 copperplate engraving shows the elevation profiles of the Erie Canal, the Ohio Canal, and the Chesapeake and Ohio Canal, along with the profile of the Baltimore and Ohio Railroad, measured in feet above sea level of the Atlantic Ocean.

- circa 1832
- Collections - Artifact
"Profiles of the Erie, Ohio and Chesapeake & Ohio Canals and the Baltimore & Ohio Railroad," circa 1832
The first half of the 19th century was the heyday of canal construction in the United States. This circa 1832 copperplate engraving shows the elevation profiles of the Erie Canal, the Ohio Canal, and the Chesapeake and Ohio Canal, along with the profile of the Baltimore and Ohio Railroad, measured in feet above sea level of the Atlantic Ocean.