Valles Grande (IMAGE) University of Arizona Caption The Valle Grande at the Valle Calderas National Preserve near Los Alamos, N.M. Credit Robert Parmenter, Valle Caldera National Preserve. Usage Restrictions This photo may only be used to illustrate a story about the research described in the accompanying news release, "UA Awarded $4.35 Million to Study Earth's Critical Zone." Please make sure to credit the photo as requested. Do not post this photo independent of the story. 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.