Farmers from San Luis Valley (IMAGE) Virginia Tech Caption Farmers from San Luis Valley, a major agricultural center and the nation's second leading potato producer, gathered in 2019 to discuss how to best manage their shared aquifer. Credit Landon Marston for Virginia Tech Usage Restrictions No restrictions. License Public Domain 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.