Azure Spring
Appearance

Azure Spring is a hot spring in the Lower Geyser Basin of Yellowstone National Park in the United States. The water temperature in the spring is 186°F (86°C).[1]
References
- ^ Ball, James W. (1998). "Chemical Analyses of Hot Springs, Pools, Geysers, and Surface Waters from Yellowstone National Park, Wyoming, and Vicinity, 1974-1975" (PDF). U.S. Department of the Interior & U.S. Geological Survey. Retrieved May 24.
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