Pump discharge from flood in main tunnel, June 30, 1928

Chicago citation style
Pickett, Lee. Pump discharge from flood in main tunnel, June 30, 1928. 1928. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/657. (Accessed June 20, 2018.)
APA citation style
Pickett, Lee, (1928) Pump discharge from flood in main tunnel, June 30, 1928. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/657
MLA citation style
Pickett, Lee. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/657>.
Note: These citations are programmatically generated and may be incomplete.