Wolf, Ron2025-02-262025-02-26https://hdl.handle.net/11124/179748Photographed by Ron Wolf.Blocky grey metallic galena crystals on dull brown matrix.born digitaldigital photographsCopyright Ron Wolf.In copyright - non-commercial use permitted: http://rightsstatements.org/vocab/InC-NC/1.0/mineral and rock specimensMinerals -- Oklahoma -- Ottawa CountyGalena -- Oklahoma -- Ottawa CountyCrystalsEagle Picher Mine (Okla.)Image