Northwest Portland Cement Co. quarry, Grotto, ca. 1930

Chicago citation style
Pickett, Lee. Northwest Portland Cement Co. quarry, Grotto, ca. 1930. ca. 1930. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/1422. (Accessed October 19, 2018.)
APA citation style
Pickett, Lee, (ca. 1930) Northwest Portland Cement Co. quarry, Grotto, ca. 1930. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/1422
MLA citation style
Pickett, Lee. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/1422>.
Note: These citations are programmatically generated and may be incomplete.