"Stewart Mountain spillway. View looking downstream along right wall showing progress of concreting and backfilling."

Chicago citation style
Department of the Interior. Bureau of Reclamation. Engineering and Research Center. 5/18/1981-3/4/1988. "Stewart Mountain spillway. View looking downstream along right wall showing progress of concreting and backfilling.". 1936-07-27. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/294631. (Accessed June 18, 2018.)
APA citation style
Department of the Interior. Bureau of Reclamation. Engineering and Research Center. 5/18/1981-3/4/1988, (1936-07-27) "Stewart Mountain spillway. View looking downstream along right wall showing progress of concreting and backfilling.". Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/294631
MLA citation style
Department of the Interior. Bureau of Reclamation. Engineering and Research Center. 5/18/1981-3/4/1988. Retrieved from the Digital Public Library of America <http://catalog.archives.gov/id/294631>.
Note: These citations are programmatically generated and may be incomplete.