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Appalachian Mountains - Wikipedia
Appalachian Mountains | Definition, Map, Location, Trail, & Facts
30 Fascinating Facts About the Appalachian Mountains for Trivia …
Appalachian Mountains - WorldAtlas
Appalachian Mountains - Geology, Plateau, Valleys | Britannica
11 Facts About the Appalachian Mountains - Mental Floss
Appalachian National Scenic Trail (U.S. National Park Service)
Appalachian Mountains Facts | Britannica
12 Most Beautiful Places in the Appalachian Mountains to Visit
Geology and Wildlife of the Appalachian Mountains - ThoughtCo