Testing the Water (IMAGE) Texas A&M AgriLife Communications Caption Texas AgriLife Research technician Kathryn Bachman conducts analysis of water samples from the Seymour Aquifer for nitrate concentration at the Texas AgriLife Research and Extension Center at Vernon, Texas. Credit Texas AgriLife Research photo by Dr. John Sij 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.