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Join USGS geologist Lydia Staisch as she discusses the latest research on the formation and cutting of Hells Canyon with Nick Zentner in this 46-minute educational talk. Learn about new geological findings that update our understanding of how North America's deepest river gorge was formed, with Staisch explaining the evidence and conclusions from her recent paper on the subject. Explore the geological processes, timeline, and forces that shaped this dramatic landscape feature along the border between Idaho and Oregon.
