the Appalachian mountains were formed about 165 million years ago
---- It is quite hard to say but the actual rocks on the appalachain mountains are 350-450 million years old.
The appalachain mountains are fold mountains
sierra nevada appalachain mountains and rocky mountains
in south caralina
Rocky Mountains
Appalachain
Rocky Mountains, Appalachain Mountains, Casacade Mountains
the appalachain mountains
Maryland is to the east of the Appalachain Mountains
Mt Mitchell, NC at 6684 ft.
The Appalachain Mountains are next to the Ohio River.
Rocky Mountains and part of the Appalachain Mountain chain. :D