Sample (IMAGE) American Society of Agronomy Caption Describing soils on a boat can be tricky. The crew collected two meters of this soil from a submerged cove, and is hard at work describing colors, textures, and more. White spots deep in the core on the right reveal an ancient oyster reef. Photo credit Barret Wessel. Credit Barret Wessel 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.