Pipeline (IMAGE) Penn State Caption Victoria Fortiz (right), a former Penn State graduate student in geosciences, and a United States Geological Survey employee (left) wash a core sample from a site in Maryland. Credit Timothy Bralower Usage Restrictions non commercial use only 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.