Lithium Sources in the US (IMAGE) DOE/Pacific Northwest National Laboratory Caption Potential lithium sources from water produced in mining and petroleum operations, expressed as concentration (parts per million). Data from US Geological Survey, Produced Water Database. Credit (Graphic: Pacific Northwest National Laboratory) 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.