Primary tabsView (active tab) Revisions Authors Briggs, D.F. Briggs, D.F., 2020, Helvetia-Rosemont: Arizona’s Hardscrabble Mining Camp. Arizona Geological Survey Contributed Report CR-20-B, 65 p. Additional Information Helvetia-Rosemont: Arizona’s Hardscrabble Mining Camp Date of publication: 2020 Research Categories Mining geoheritage copper Helvetia
Authors Briggs, D.F. Briggs, D.F., 2020, Helvetia-Rosemont: Arizona’s Hardscrabble Mining Camp. Arizona Geological Survey Contributed Report CR-20-B, 65 p. Additional Information Helvetia-Rosemont: Arizona’s Hardscrabble Mining Camp Date of publication: 2020 Research Categories Mining geoheritage copper Helvetia
