Water Samples (IMAGE) American Society of Agronomy Caption Ross prepares water samples after a rain fall. These carefully labeled samples will help tell the story of how the water moves during and after a rainstorm or snow melt. Credit Janelle Laing. Usage Restrictions Please use with story 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.