The Grand Prismatic Spring in Yellowstone National Park is the largest hot spring in the United States, and the third largest in the world, the second one is Frying pan Lake in New Zealand and the first is Boiling Lake in Dominica.The Yellowstone National park lies in three States, Montana, Idoho and Wyoming, but the main part is North-West of Wyoming. The largest city is close to Yellowstone National Park in the West is Montana city.
The First records of the spring are from early European explorers and surveyors. In 1839, a group of fur trappers from the American Fur company crossed the Midway geyser basin and made note of the "boiling water lake" most linkely the Grand Prismatic Spring, with a diameter of 300 feet or 90 meters. In 1870 the Washburn-Langford-Doane Expedition visited the spring, noting a 50 foot or 15 meter geyser nearby and later named it Excelsior.
Image Credit © Doc Gibson
Image Credit © Doc Gibson
Somewhat later, President Grant Declared Yellow tone Wyoming the world's first national park. Grant in times over an area of 888,708 hectares. Yellowstone is visited by millions of travelers. The main Attraction of the park is a huge lake, countless geysers, mud and hot springs. The park is mainly home of bears, moose, bison, bighorn sheep's and many more animals.
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The vivid colors in the spring are the result of pigmented bacteria in the microbial mats that grow around the edges of the mineral-rich water. The center of the pool is sterile due to extreme heat. The deep blue color of he water in the center of the pool results from the intrinsic blue color of water, though it is particularly intense in Grand Prismatic Spring because of the high purity and depth of the water in the middle of the spring.
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Image Credit © Doc Gibson
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Bison at Grand Prismatic Spring Yellowstone National Park Wyoming.
This image was selected as one of the 2010 Nature Conservancy photo finalists. It didn't win.
Image Credit © The World Outdoors
Source — Wikipedia
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