1. Southwest Research Institute 1050 Walnut St., Suite 300 Boulder Colorado 80302 USA
2. Whitin Observatory Department of Astronomy Wellesley College 106 Central St Wellesley Massachusetts 02481 USA
3. Meteorifics Inc. 1148 Sundance Loop Fairbanks Alaska 99709 USA
4. Lunar and Planetary Laboratory University of Arizona Tucson Arizona 85721 USA
5. Jet Propulsion Laboratory California Institute of Technology Pasadena California 91109 USA
6. Center for Earth and Planetary Studies National Air and Space Museum Smithsonian Institution MRC‐315 Washington District of Columbia 20560 USA
7. Sagan Center at the SETI Institute and NASA Ames Research Center Moffett Field California 94043 USA
8. U.S. Geological Survey Astrogeology Science Center 2255 N. Gemini Dr. Flagstaff Arizona 86001 USA
9. Centre for Planetary Science and Exploration Department of Earth Sciences Western University 1151 Richmond St. London Ontario N6A 5B7 Canada
10. Northwestern University 339 East Chicago Ave. Chicago Illinois 60611 USA
11. Statistical Sciences Los Alamos National Laboratory CCS‐6 Los Alamos New Mexico 87545 USA