GEOL 351 - #32 - Burch Mountain w/ Jeff Tepper (field trip)
40:30
GEOL 351 - #31 - Jeff Tepper and the Challis Magmas
56:49
Steamboat Rock Geology - GSA Field Trip
45:23
Craters of the Moon!
37:10
Randy Lewis in Moses Coulee (part 4)
24:49
Hiking and Trail Running at Mount Rainier National Park
19:06
Wenatchee River Rocks 16 - White River
30:12
Chumstick Formation with Erin Donaghy
38:11