Soil Sampling (image) Virginia Institute of Marine Science Share Print E-Mail Caption Dr. Sean Graham of Nicholls State (L) prepares to sample the marsh soil within a Louisiana salt marsh as his students work in the background. Credit © D. Johnson/VIMS. Usage Restrictions One-time use only. Share Print E-Mail 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.