Bench drilling crew in tunnel, Gorge Dam, November 7, 1923

Chicago citation style
Bench drilling crew in tunnel, Gorge Dam, November 7, 1923. 1923. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/181. (Accessed June 20, 2018.)
APA citation style
(1923) Bench drilling crew in tunnel, Gorge Dam, November 7, 1923. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/181
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/ww-swps/id/181>.
Note: These citations are programmatically generated and may be incomplete.