Lava flows are one of the coolest (or maybe hottest!) features about volcanoes, but what would a lava flow look like if you could peel away the surface and take a peek underneath?
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Caldera Chronicles: https://www.usgs.gov/volcanoes/yellow...
Yellowstone Volcano site: https://www.usgs.gov/volcanoes/yellow...
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https://www.usgs.gov/media/videos/lav...