Berkeley Mine 1500-Foot Level

Chicago citation style
Unknown. Berkeley Mine 1500-Foot Level. 1920. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll3/id/609. (Accessed August 13, 2020.)
APA citation style
Unknown, (1920) Berkeley Mine 1500-Foot Level. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll3/id/609
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll3/id/609>.
Note: These citations are programmatically generated and may be incomplete.