Skykomish Copper Co. tunnel entrance, ca. 1930

Chicago citation style
Pickett, Lee. Skykomish Copper Co. tunnel entrance, ca. 1930. ca. 1930. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/1240. (Accessed April 25, 2018.)
APA citation style
Pickett, Lee, (ca. 1930) Skykomish Copper Co. tunnel entrance, ca. 1930. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/1240
MLA citation style
Pickett, Lee. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/pickett/id/1240>.
Note: These citations are programmatically generated and may be incomplete.