Pennsylvania Canal Tunnel

The Pennsylvania Canal Tunnel was the Pittsburgh terminus of the Pennsylvania Main Line of Public Works, a transportation system that involved other early tunnels. == History == Construction was authorized February 8, 1827, and the tunnel was completed November 10, 1829.

Source: Wikipedia — Pennsylvania Canal Tunnel (CC BY-SA 4.0)

Pennsylvania Canal Tunnel

The Pennsylvania Canal Tunnel was the Pittsburgh terminus of the Pennsylvania Main Line of Public Works, a transportation system that involved other early tunnels. == History == Construction was authorized February 8, 1827, and the tunnel was completed November 10, 1829.

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Source: Wikipedia "Pennsylvania Canal Tunnel" · CC BY-SA 4.0

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