The U.S. Geological Survey Denver Library maintains a collection of more than 400,000 photographs taken during geologic studies of the United States and its territories from 1868 to the present. These images provide a visual history of the discovery, development, and sciences of the United States and its Geological Survey. Some photographs have been used in USGS publications, but most have never been published. Currently, this website represents less than 10 percent of the Library's images with approximately 38,000 photographs on-line. Visit http://library.usgs.gov/photo/#/.
Summary
The U.S. Geological Survey Denver Library maintains a collection of more than 400,000 photographs taken during geologic studies of the United States and its territories from 1868 to the present. These images provide a visual history of the discovery, development, and sciences of the United States and its Geological Survey. Some photographs have been used in USGS publications, but most have never been published. Currently, this website represents less than 10 percent of the Library's images with approximately 38,000 photographs on-line.
Image located in the U.S.Geological Survey Photographic Collection, color slide album "Cascade Volcano Observatory (E - F)", section F, no. 66ct.
Purpose
These images provide a visual history of the discovery, development, and sciences of the United States and its Geological Survey. Some photographs have been used in USGS publications, but most have never been published.
Rights
All photographs in this collection are public domain and free of copyright restrictions.
