Shale and Water (IMAGE) American Society of Agronomy Caption Observed preferential flow pathways at the Shale Hills Catchment along a hillslope includes fractured shale in the upslope area. Credit Henry Lin 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.