REEs (IMAGE) West Virginia University Caption WVU's Rare Earth Extraction Facility produces highly-concentrated rare earth products from coal mine drainage. This sample is 87 percent rare earth oxide. Credit Chris Vass/West Virginia University Usage Restrictions None License Licensed content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.