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Description from Daily Overview
Yellowstone National Park was established on March 1, 1872. At the Grand Prismatic Spring, visitors can get a close-up view on a series of elevated boardwalks. The hot spring gets its vivid color from pigmented bacteria that grow around the edge of the mineral-rich water.
Daily Overview / Satellite imagery courtesy of Digital Globe / Benjamin Grant
Grand Prismatic Spring
What is the (approximate) area of the spring?
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