News Earth Landslides shaped a hidden landscape within Yellowstone Over a thousand landslides have coursed through the national park This laser-derived map of a region around U.S. Highway 191 (adjacent to the yellow line) in Montana near Yellowstone National Park reveals evidence of a large landslide sometime in the past. High elevations are colored brown and white; low elevations are green. USGS Share this:EmailFacebookTwitterPinterestPocketRedditPrint By Katherine Kornei October 25, 2022 at 10:00 am DENVER — A hidden landscape riddled with landslides is coming into focus in Yellowstone National Park, thanks to a laser-equipped airplane.