Mining pit (IMAGE) Michigan State University Caption Miners pose for a photo near a dug-out mining pit under a blue tarp held up by a frame made from logs and branches. Although artisanal gold mines are small by industry standards, they can employ thousands in a village. These miners and their neighbors are exposed to heightened health risks because of the operation’s use of mercury. Credit Courtesy Jacqueline Gerson Usage Restrictions None License Original 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.