Official websites use .gov
A .gov website belongs to an official government organization in the United States.
Secure .gov websites use HTTPS
A lock () or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.
Volcano Science Center images.
Sapphire Pool in Biscuit Basin, Yellowstone National Park, photographed by Frank Jay Haynes in about 1887. Bulbous-shaped geyserite knobs surrounding the pool reminded the photographer of biscuits. Haynes was the official Yellowstone National Park photographer at the time.
Sapphire Pool in Biscuit Basin, Yellowstone National Park, photographed by Frank Jay Haynes in about 1887. Bulbous-shaped geyserite knobs surrounding the pool reminded the photographer of biscuits. Haynes was the official Yellowstone National Park photographer at the time.
Geological map of Yellowstone National Park based on work by William Henry Holmes in 1878 as part of Ferdinand Vandeveer Hayden’s United States Geological and Geographical Survey of the Territories, with topography mapped by Henry Gannett and triangulation by Allen David Wilson. From the Twelfth Annual Re
Geological map of Yellowstone National Park based on work by William Henry Holmes in 1878 as part of Ferdinand Vandeveer Hayden’s United States Geological and Geographical Survey of the Territories, with topography mapped by Henry Gannett and triangulation by Allen David Wilson. From the Twelfth Annual Re
Photo of Hinmatóowyalahtq̓it (Chief Joseph) taken in November 1877 by O.S. Goff in Bismarck. From Wikipedia (https://commons.wikimedia.org/wiki/File:Chief_Joseph-1877.jpg).
Photo of Hinmatóowyalahtq̓it (Chief Joseph) taken in November 1877 by O.S. Goff in Bismarck. From Wikipedia (https://commons.wikimedia.org/wiki/File:Chief_Joseph-1877.jpg).
Painting of the Grand Canyon of the Yellowstone by artist Thomas Moran, who was part of the Hayden Geological Survey of 1871. Painting from the Smithsonian American Art Museum.
Painting of the Grand Canyon of the Yellowstone by artist Thomas Moran, who was part of the Hayden Geological Survey of 1871. Painting from the Smithsonian American Art Museum.
Illustration of Devil’s Slide, Montana (just north of Yellowstone National Park along the Yellowstone River) by artist Thomas Moran for Scribner’s Monthly and based on a description of Nathanial Langford. The depiction is not particularly accurate, but Moran had a chance to see the feature in person when he accompanied the 1871 Hayden geological expedition to
Illustration of Devil’s Slide, Montana (just north of Yellowstone National Park along the Yellowstone River) by artist Thomas Moran for Scribner’s Monthly and based on a description of Nathanial Langford. The depiction is not particularly accurate, but Moran had a chance to see the feature in person when he accompanied the 1871 Hayden geological expedition to
The first photograph taken of Devil’s Slide, Montana (just north of Yellowstone National Park along the Yellowstone River). Photo by William Henry Jackson in either 1871 or 1873.
The first photograph taken of Devil’s Slide, Montana (just north of Yellowstone National Park along the Yellowstone River). Photo by William Henry Jackson in either 1871 or 1873.
Geologist Ferdinand Hayden at work with a rock hammer. USGS photo by William Henry Jackson, 1870.
Geologist Ferdinand Hayden at work with a rock hammer. USGS photo by William Henry Jackson, 1870.
