Regrade construction showing sluicing activity, n.d

Chicago citation style
Regrade construction showing sluicing activity, n.d. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/2057. (Accessed October 15, 2018.)
APA citation style
Regrade construction showing sluicing activity, n.d. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/2057
MLA citation style
Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/seattle/id/2057>.
Note: These citations are programmatically generated and may be incomplete.