West portal of tunnel constructed to carry water from Gorge Dam reservoir to Powerhouse, February 1922

Chicago citation style
West portal of tunnel constructed to carry water from Gorge Dam reservoir to Powerhouse, February 1922. 1922. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/174. (Accessed July 16, 2018.)
APA citation style
(1922) West portal of tunnel constructed to carry water from Gorge Dam reservoir to Powerhouse, February 1922. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/174
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/174>.
Note: These citations are programmatically generated and may be incomplete.