The Formation of the Appalachians
1:29:38
Darwin, Wallace, and the Development of a Theory
20:53
Continents Collide: The Appalachians and the Himalayas
56:47
How did the Rocky Mountains Form?
1:20:43
Evolution of the Appalachian Mountains
36:55
Appalachian Geology: Surprising Implications
25:28
How & When the Appalachian Mountains Formed & The Rocks Found Here! GEO GIRL
45:53
How Snowball Earth Leveled Mountains and Created the Great Unconformity
53:35