Construction work at east portal of tunnel designed to carry water from Gorge Dam reservoir to powerhouse, April 1922

Chicago citation style
Construction work at east portal of tunnel designed to carry water from Gorge Dam reservoir to powerhouse, April 1922. 1922. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/193. (Accessed July 19, 2018.)
APA citation style
(1922) Construction work at east portal of tunnel designed to carry water from Gorge Dam reservoir to powerhouse, April 1922. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/193
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/193>.
Note: These citations are programmatically generated and may be incomplete.