What does the Golden Giant Mine and the  Lost McLeod Mine have in common?
Golden Giant Mine The Golden Giant Mine is a closed underground gold mine in the Hemlo mining camp in Canada, located north of Lake Superior, midway between Sault Ste. Marie and Thunder Bay, Ontario near the town of Manitouwadge.
Challenger mine The Challenger mine is a gold mine in the Far North of South Australia, 165 km west of the Stuart Highway and 740 km north-west of Adelaide. It is operated by Kingsgate Consolidated Ltd.