Seattle shingle mill : term studyWayland shingle mill

Chicago citation style
Mahlum, John, unknown. Seattle shingle mill : term study,Wayland shingle mill. 1961. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/archps/id/920. (Accessed July 23, 2018.)
APA citation style
Mahlum, John, unknown, (1961) Seattle shingle mill : term study,Wayland shingle mill. Retrieved from the Digital Public Library of America, http://cdm16786.contentdm.oclc.org/cdm/ref/collection/archps/id/920
MLA citation style
Mahlum, John, unknown. Retrieved from the Digital Public Library of America <http://cdm16786.contentdm.oclc.org/cdm/ref/collection/archps/id/920>.
Note: These citations are programmatically generated and may be incomplete.