"View east from the downstream trestle showing a portion of a fault zone east of section 30 on the left. The grizzly over conveyor feeder No. 14 appears near the center and earth overburden in the background."

Chicago citation style
Department of the Interior. Bureau of Reclamation. Engineering and Research Center. 5/18/1981-3/4/1988. "View east from the downstream trestle showing a portion of a fault zone east of section 30 on the left. The grizzly over conveyor feeder No. 14 appears near the center and earth overburden in the background.". 1936-03-03. Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/294260. (Accessed September 23, 2018.)
APA citation style
Department of the Interior. Bureau of Reclamation. Engineering and Research Center. 5/18/1981-3/4/1988, (1936-03-03) "View east from the downstream trestle showing a portion of a fault zone east of section 30 on the left. The grizzly over conveyor feeder No. 14 appears near the center and earth overburden in the background.". Retrieved from the Digital Public Library of America, http://catalog.archives.gov/id/294260
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/294260>.
Note: These citations are programmatically generated and may be incomplete.