Yes it does run through the whole Northeast.
It's generally flat around Philadelphia...i believe that's called the Piedmont region. Anyway, the further west you go the more mountainous it gets. Also in the Northeast part of the state are the Pocono Mountains. Once you get through the Appalachians to the west though, it starts to flatten out a little
The two main regions that are part of the Appalachian mountain system are the Northern and Southern Appalachian Mountains. The Northern Appalachians extend from the Canadian border down to Pennsylvania, while the Southern Appalachians stretch from Pennsylvania all the way to Alabama and Georgia.
through the Cumberland pass
yes it runs through a part of it
The Appalachian Mountains
Go from the bottom, right corner of Michigan, through Ohio, and straight right. you'll hit Pennsylvania
No. In the late 19th and early 20th century the land in Northwest Pa. was clearcut leaving the land devoid of trees. The devastated landscape was nicknamed "The Pennsylvania Desert." It has since regrown through better forestry practices.There once was. After the logging industry removed virtually all of the timber across much of northern Pennsylvania in the late 19th and early 20th century, it was called the "Pennsylvania Desert."
Negro Mountain http://www.brainygeography.com/features/PA.range/negromountain.html
The Appalachian Mountains run through the eastern United States. Mount Mitchell in North Carolina is the highest point of the Appalachians at 6,684 feet.
The answer is: The Great Wagon Road.
the trans- continental railroad started in Pennsylvania