Grand Canyon. Same locality as 433. Old Nos. 470, 473, 500

Chicago citation style
War Department. Office of the Chief of Engineers. Powell Survey. (1869 - ca. 1874). Grand Canyon. Same locality as 433. Old Nos. 470, 473, 500. 1871-01-01/1878-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/517801. (Accessed October 16, 2018.)
APA citation style
War Department. Office of the Chief of Engineers. Powell Survey. (1869 - ca. 1874), (1871-01-01/1878-12-31) Grand Canyon. Same locality as 433. Old Nos. 470, 473, 500. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/517801
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/517801>.
Note: These citations are programmatically generated and may be incomplete.