In 1963 Revil Mason, excavating at the Koppies, found an Iron Age furnace for smelting iron ore, either in a bowl or sunken furnace with carbon dating of charcoal found at varies levels at the site shows it would have been in use at various times between 1060AD and 1580AD.[3]: 48 Another more modern Iron Age furnace was found on the northern slopes dating to the 18th/19th centuries.[3]: 48
In 1963 Revil Mason, excavating at the Koppies, found an Iron Age furnace for smelting iron ore, either in a bowl or sunken furnace with carbon dating of charcoal found at varies levels at the site shows it would have been in use at various times between 1060AD and 1580AD.[3]: 48 Another more modern Iron Age furnace was found on the northern slopes dating to the 18th/19th centuries.[3]: 48