The Path of Progress National Heritage Tour Route is a federally designated National Heritage Area, arranged as an automobile tour route through nine counties in southwestern Pennsylvania. The complete route is 500 miles (800 km) long. [1]
References
External links
- Path of Progress National Heritage Area at the National Park Service
The Path of Progress National Heritage Tour Route is a federally designated National Heritage Area, arranged as an automobile tour route through nine counties in southwestern Pennsylvania. The complete route is 500 miles (800 km) long. [1]
References
External links
- Path of Progress National Heritage Area at the National Park Service
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