1. Department of Earth, Atmospheric, and Planetary Sciences Purdue University West Lafayette IN USA
2. Johns Hopkins University Applied Physics Laboratory Laurel MD USA
3. Jet Propulsion Laboratory California Institute of Technology Pasadena CA USA
4. Geology Department, Physics and Astronomy Department Western Washington University Bellingham WA USA
5. Division of Geological and Planetary Sciences California Institute of Technology Pasadena CA USA
6. School of Earth and Space Exploration Arizona State University Tempe AZ USA
7. U.S. Geological Survey Astrogeology Science Center Flagstaff AZ
8. Department of Geography University of Winnipeg Winnipeg Manitoba Canada
9. Globe Institute University of Copenhagen Copenhagen Denmark
10. Laboratoire de Planétologie et Géodynamique CNRS, Univ Nantes, Univ Angers Nantes France
11. NASA Johnson Space Center Houston TX USA
12. Department of Earth Sciences Dartmouth College Hanover NH USA
13. Planetary and Space Science Centre University of New Brunswick Fredericton New Brunswick Canada