1. Department of Earth and Environmental Sciences and Lamont‐Doherty Earth Observatory Columbia University Palisades New York USA
2. Department of Geosciences Idaho State University Pocatello Idaho USA
3. Science Department Red Hook High School Red Hook New York USA
4. Department of Earth and Environmental Science Long Island University Brookville New York USA
5. U.S. Geological Survey Menlo Park California USA
6. Department of Geology Brigham Young University Idaho Rexburg Idaho USA
7. Department of Earth and Environment Franklin and Marshall College Lancaster Pennsylvania USA