Regrading activity showing hydraulic sluicing work, Seattle, ca. 1906

Chicago citation style
Frasch, Otto T.. Regrading activity showing hydraulic sluicing work, Seattle, ca. 1906. ca. 1906. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/2109. (Accessed October 20, 2018.)
APA citation style
Frasch, Otto T., (ca. 1906) Regrading activity showing hydraulic sluicing work, Seattle, ca. 1906. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/2109
MLA citation style
Frasch, Otto T.. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/2109>.
Note: These citations are programmatically generated and may be incomplete.