Prof. A.H. Thompson and his horse "Old Ute" and their shadows, 1871. Old nos. 458, 440, 467, 673.

Chicago citation style
War Department. Office of the Chief of Engineers. Powell Survey. (1869 - ca. 1874). Prof. A.H. Thompson and his horse "Old Ute" and their shadows, 1871. Old nos. 458, 440, 467, 673.. 1871-01-01/1878-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/517914. (Accessed September 21, 2018.)
APA citation style
War Department. Office of the Chief of Engineers. Powell Survey. (1869 - ca. 1874), (1871-01-01/1878-12-31) Prof. A.H. Thompson and his horse "Old Ute" and their shadows, 1871. Old nos. 458, 440, 467, 673.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/517914
MLA citation style
War Department. Office of the Chief of Engineers. Powell Survey. (1869 - ca. 1874). Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/517914>.
Note: These citations are programmatically generated and may be incomplete.