Marcus Pacheco, California State University Fresno, Earth & Environmental Sciences Dept., Fresno, CA, United States, Alain Plattner, University of Alabama, Department of Geological Sciences, Tuscaloosa, AL, United States, Greg M Stock, Yosemite National Park, El Portal, CA, United States and Christopher J Pluhar, California State University Fresno, Earth & Environmental Science Dept, Fresno, CA, United States