Earth Archaeologist Says The Public Has A Duty To Understand Yellowstone’s Covered-Up History - Earth.com

Spread out across more than 3,400 square miles, Yellowstone is up there with the biggest of the planet’s ecosystems that are neither desert nor tropical in nature. In fact, the national park encompasses more space than both the states of Delaware and Rhode Island joined together. There’s plenty of room for the area’s animals to roam, then. Photo credit: Robert Alexander/Getty Images

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