Wolf, Ron2025-03-042025-03-04https://hdl.handle.net/11124/179878Photographed by Ron Wolf.Native copper in irregular mass, with green patina on some surfaces.born digitaldigital photographsCopyright Ron Wolf.In copyright - non-commercial use permitted: http://rightsstatements.org/vocab/InC-NC/1.0/mineral and rock specimensMinerals -- Michigan -- Keweenaw CountyCopper -- Michigan -- Keweenaw CountyImage