Figure 1 from Hyland et al. (image) Geological Society of America Share Print E-Mail Caption This is a location map of modern soils sampled or compiled for this study (n = 70). Numerical tags indicate the number of localities sampled in a particular region, and those without tags are individual localities. Credit Hyland et al. and GSA Bulletin Usage Restrictions Credit Hyland et al. and GSA Bulletin 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.