Glen Canyon. Sentinel Rock, Mouth of Sentinel Creek. Glen Canyon between Crossing of the Father's and Paria River. Note: part of page missing with the title. Title was taken from photo no. 770. Old nos. 226, 308, 471. Duplicate of 770.

Chicago citation style
War Department. Office of the Chief of Engineers. Powell Survey. (1869 - ca. 1874). Glen Canyon. Sentinel Rock, Mouth of Sentinel Creek. Glen Canyon between Crossing of the Father's and Paria River. Note: part of page missing with the title. Title was taken from photo no. 770. Old nos. 226, 308, 471. Duplicate of 770.. 1871-01-01/1878-12-31. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/517822. (Accessed October 15, 2018.)
APA citation style
War Department. Office of the Chief of Engineers. Powell Survey. (1869 - ca. 1874), (1871-01-01/1878-12-31) Glen Canyon. Sentinel Rock, Mouth of Sentinel Creek. Glen Canyon between Crossing of the Father's and Paria River. Note: part of page missing with the title. Title was taken from photo no. 770. Old nos. 226, 308, 471. Duplicate of 770.. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/517822
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/517822>.
Note: These citations are programmatically generated and may be incomplete.