Major American Mountain Ranges
The major mountain ranges in the US consist of three ranges: the Appalachian, Rocky, and Sierra Nevada Mountain ranges.
Appalachian Mountains
"Mount Mitchell, located in North Carolina, is the highest peak in the Appalachian mountain range" by SoilScience.info is licensed under CC BY 2.0
Rocky Mountains
"Hallett - Rocky Mountain N.P." by Dusty J is licensed under CC BY 2.
Sierra Nevada
"Sierra Nevada Mountains, Convict Lake, California" by moonjazz is licensed under CC BY-ND 2.0