San Juan Geology
24:50
A Brief History of Colorado Through Time (Geology of Colorado)
1:07:30
Geology of the San Juans
1:01:28
A Brief Geologic History of Colorado
24:27
The San Juan Mountains in Fall. Southwestern Colorado. Ridgeway, Telluride, Silverton, Ouray.
28:42
Folding Rocks; From the Miniscule to Giant Mountains
23:31
V10E7: Old Mines and Mountain Roads
34:13
The Mountain Range That Disappeared and Came Back Again
41:59