https://en.wikipedia.org/wiki/Metallurg ... an_America https://en.wikipedia.org/wiki/Metallurg ... an_America Metallurgy in pre-Columbian America weren’t big on the whole gold-smelting thing https://en.wikipedia.org/wiki/Metallurg ... an_America Metallurgy in pre-Columbian America Metallurgy in pre-Columbian America https://en.wikipedia...a#South_America https://en.wikipedia.org/wiki/Metallurg ... an_America https://en.wikipedia.org/wiki/Metallurg ... an_America view article https://en.wikipedia.org/wiki/Metallurg ... an_America Metallurgy in pre-Columbian America Metallurgy in pre-Columbian America as early as 2100 BC https://en.wikipedia.org/wiki/Metallurg ... an_America https://en.wikipedia.org/wiki/Metallurg ... an_America https://en.wikipedia...a#South_America Metallurgy in pre-Columbian America https://en.wikipedia.org/wiki/Metallurg ... an_America as early as 2100 BC https://en.wikipedia.org/wiki/Metallurg ... an_America https://en.wikipedia.org/wiki/Metallurg ... an_America https://en.wikipedia.org/wiki/Metallurg ... an_America Metallurgy in pre-Columbian America copper was surface-mined by Native peoples