Alleghenies Here

: The Allegheny Portage Railroad was a 19th-century marvel that used inclined planes to haul canal boats over the mountains.

: The bedrock is primarily sandstone and quartzite, which are extremely resistant to weathering. Outdoor Recreation & Rail Trails alleghenies

The range is defined by its dramatic topography and unique ecosystems: : The Allegheny Portage Railroad was a 19th-century

: A sharp, massive escarpment that serves as the Eastern Continental Divide , separating the Mississippi River and Chesapeake Bay watersheds. alleghenies