Geology

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Columbia River: Great River of the West, OPB Documentary

Columbia River Gorge Geology Tour, OPB Documentary

Forced Through Time: Creation of the Columbia River Gorge

Portland Army Corps of Engineers, Mt St. Helens Eruption, Video Series

The Mighty Columbia, 1947 Documentary Film

Columbia Gorge Community College, “Geology 101,” Course

Ice Age Floods Institute, “Geology 101”

Ice Age Floods Institute, “Bridge of the Gods Landslide”

Nick Zentner, “Columbia River Gorge Geology” Lecture

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