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Washington Geological Survey
Ice Age Floods Institute Trail BrochureThe official map and guide to Ice Age Floods National Geolgoic Trail. The "park" brochure contains a map of the overall trail and highlights several key locations to view and understand the Missoula Floods story. The brochure is available for free at here: Ice Age Floods National Geolgic Trail brochure |
Last updated: May 11, 2026