File:Citadel Rock GreenRiver Wyoming 1868.jpg

Description: Citadel rock, Green River, Wyoming, 1868. Shows construction of a railroad bridge in the Green River Valley, Wyoming, and Citadel Rock, a prominent rock formation rising above the plateau.

Author: Photograph by Andrew J. Russell, albumen print

Date: 1868

Source: Andrew J. Russell Obtained from

Permission: Public domain. This image is in the public domain because its copyright has expired. This applies to the United States, Canada, the European Union and those countries with a copyright term of life of the author plus 70 years.