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WVU researchers discovering that acid mine drainage seeping from retired coal mines.

From wastes to resources: WVU expands rare earth research to help strengthen America’s domestic critical minerals supply

A decade ago, West Virginia University researchers were among the first to find rare earth elements in acid mine drainage seeping from retired coal mines. Now, the University is ready to expand that work to help secure a domestic supply of the critical materials essential to modern technology, enhancing national security interests and economic innovation.