Cite This Item
MLA
The vacuum pan process of refining salt, St. Clair, Michigan. Meadville, Pa. ; New York, N.Y. ; Portland, Oregon ; London, Eng. ; Sydney, Aus.: Keystone View Company, manufacturers publishers, [ca. 1879–1930]. Web. 20 Apr 2024. <https://ark.digitalcommonwealth.org/ark:/50959/1z40m830v>.
APA
The vacuum pan process of refining salt, St. Clair, Michigan [Photograph]. ([ca. 1879–1930]). Retrieved from https://ark.digitalcommonwealth.org/ark:/50959/1z40m830v
Chicago
"The vacuum pan process of refining salt, St. Clair, Michigan." Photograph. Meadville, Pa. ; New York, N.Y. ; Portland, Oregon ; London, Eng. ; Sydney, Aus.: Keystone View Company, manufacturers publishers, [ca. 1879–1930]. Digital Commonwealth, https://ark.digitalcommonwealth.org/ark:/50959/1z40m830v (accessed April 20, 2024).