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Nathaniel P. Langford of the Washburn–Langford–Doane Expedition first observed a geyser in the Wyoming Territory erupting at regular intervals, naming it Old Faithful (video featured).
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Nathaniel P. Langford
American explorer, businessman, historian and vigilante
Nathaniel Pitt Langford was an American explorer, businessman, bureaucrat, vigilante and historian from Saint Paul, Minnesota who played an important role in the early years of the Montana gold fields, territorial government and the creation of Yellowstone National Park.Source: Wikipedia (CC BY-SA)
Washburn–Langford–Doane Expedition
Research expedition in the US
The Washburn Expedition of 1870 explored the region of northwestern Wyoming that two years later became Yellowstone National Park. Led by Henry D. Washburn and Nathaniel P. Langford, and with a U.S. Army escort headed by Lt. Gustavus C. Doane, the expedition followed the general…Source: Wikipedia (CC BY-SA)
Geyser
Natural explosive eruption of hot water
A geyser is a spring with an intermittent water discharge ejected turbulently and accompanied by steam. The formation of geysers is fairly rare and is caused by particular hydrogeological conditions that exist only in a few places on Earth.Source: Wikipedia (CC BY-SA)
Wyoming Territory
Former organized incorporated territory of the United States (1868–1890)
The Territory of Wyoming was an organized incorporated territory of the United States that existed from July 25, 1868, until July 10, 1890, when it was admitted to the Union as the State of Wyoming. Cheyenne was the territorial capital. The boundaries of the Wyoming Territory…Source: Wikipedia (CC BY-SA)
Old Faithful
Geyser in Yellowstone National Park in Wyoming, United States
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 a highly predictable geothermal feature and has erupted every 44…Source: Wikipedia (CC BY-SA)