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This lecture from the GEOL 351 series explores the fascinating geological phenomenon of lava dams, presented by Nick Zentner at Central Washington University in Ellensburg, Washington. Learn about how volcanic activity creates natural barriers in river systems and the dramatic consequences these formations have on landscapes. The 84-minute presentation begins after a brief introduction, with the main lecture starting at 10:07 minutes into the recording. Discover the geological processes, historical examples, and scientific significance of these impressive natural structures that have shaped river valleys throughout Earth's history.
