The Hayden Geological Survey of 1871 explored the region of northwestern Wyoming that later became Yellowstone National Park in 1872. It was led by geologist Ferdinand Vandeveer Hayden. The 1871 geological survey was not Hayden's first, but it was the first federally funded geological survey to explore and further document features in the region soon to become Yellowstone National Park, and played a prominent role in convincing the U.S. Congress to pass the legislation creating the park. In 1894, Nathaniel P. Langford, the first park superintendent and a member of the Washburn-Langford-Doane Expedition which explored the park in 1870, wrote this about the Hayden expedition:
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👉 Nathaniel P. Langford in the context of Hayden Geological Survey of 1871
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- 👉 Nathaniel P. Langford in the context of Hayden Geological Survey of 1871
- Nathaniel P. Langford in the context of Washburn–Langford–Doane Expedition
Nathaniel P. Langford in the context of Washburn–Langford–Doane Expedition
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 course of the Cook–Folsom–Peterson Expedition made the previous year.
During their explorations, members of the party made detailed maps and observations of the Yellowstone region, exploring numerous lakes, climbing several mountains, and observing wildlife. The expedition visited both the Upper and Lower Geyser Basins, and after observing the regularity of eruptions of one geyser, decided to name it Old Faithful, since it erupted about once every 74 minutes.
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