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Riverside Geyser and Rainbow
A rainbow appears in the spray of Riverside Geyser as it erupts over the Firehole River. Riverside is a very predictable geyser. Its eruptions last 30 minutes, reach heights of 75 feet and are usually spaced about 6 hours apart. Upper Geyser Basin. Yellowstone National Park, Wyoming, USA, Copyright Phillip Colla, Oceanlight.com
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