Cassia Hills Map (IMAGE) Geological Society of America Caption Figure 1 from Knott et al. is a map of the Cassia Hills in southern Idaho (C in inset) showing main canyons and locations mentioned in the text. Credit GSA Bulletin and Thomas R. Knott et al. Usage Restrictions Credit GSA Bulletin and Thomas R. Knott et al. 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.