Copper Precipitation Plant

Chicago citation style
Unknown. Copper Precipitation Plant. 1920. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll3/id/461. (Accessed August 7, 2020.)
APA citation style
Unknown, (1920) Copper Precipitation Plant. Retrieved from the Digital Public Library of America, http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll3/id/461
MLA citation style
Unknown. Retrieved from the Digital Public Library of America <http://cdm16013.contentdm.oclc.org/cdm/ref/collection/p16013coll3/id/461>.
Note: These citations are programmatically generated and may be incomplete.