The World's Oldest Mines in Continuous Operation
Wilgie Mia. Located in Australia's Weld Range, Wilgie Mia has been identified as one of the world's oldest continually-operating mines. This area has been used to mine red and yellow ochre for a period of at least 40,000 years and scientists estimate that 490,000 cubic feet of material has been removed over the mine's existence.Web
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