Old Faithful
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Old Faithful is a cone geyser in Yellowstone National Park in Wyoming, United States. It was named in 1870 during the Washburn–Langford–Doane Expedition and was the first geyser in the park to be name
Old Faithful erupting in 2022
Waiting time between eruptions and the duration of the eruption for Old Faithful
An eruption in 1870 photographed by William Henry Jackson
Old Faithful Crater, 1872 William Henry Jackson
Yellowstone National Park
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Yellowstone National Park is a national park of the United States located mainly in the northwest corner of the state of Wyoming, with small portions extending into Montana and Idaho. The park is know
Old Faithful
…Old Faithful is a cone geyser in Yellowstone National Park in Wyoming, United States. It was named in 1870 during the Washburn–Langford–Doane Expedition and was the first geyser in the park to be named. It is…
Grand Canyon of the Yellowstone
Exposed rock at Obsidian Cliff
Colter's Hell near Cody, Wyoming, one of the first geothermal sites to be spotted by mountain men
Hayden Geological Survey at Yellowstone Lake. Illustration by William Henry Jackson, 1871