1:13:17

Plant Fossils in the Pacific Northwest

56:35

Dave Tucker: Calderas in the Cascades

1:10:50

Supervolcanoes in the Pacific Northwest

1:07:18

Lake Chelan Geology

53:21

Paleomagnetism in the Pacific Northwest

47:36

The Exploration of Northwest Coast Indian Art

56:47

How did the Rocky Mountains Form?

1:02:35

Flood Basalts of the Pacific Northwest