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Landslides shaped a hidden landscape within Yellowstone

Over a thousand landslides have coursed through the national park

An elevation map of Montana near Yellowstone National Park with high elevation on the right and low elevation on the left

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

By Katherine Kornei

DENVER — A hidden landscape riddled with landslides is coming into focus in Yellowstone National Park, thanks to a laser-equipped airplane.