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Weird Geology: Geysers
Geysers are some of the most unusual geologic phenomena in the world. They are incredible natural fountains that can shoot boiling hot water and steam hundreds of feet into the sky in violent eruptions
http: //unmuseum.org/geysers.htm -
Yellowstone National Park
Yellowstone National Park is a U.S. National Park located in the states of Idaho, Montana, and Wyoming. Yellowstone is the first and oldest national park in the world..
http: //academickids.com/encyclopedia/index.php...