1. Department of Earth Sciences University of Oregon Eugene OR USA
2. NASA Johnson Space Center Geocontrols Systems–Jacobs JETS Contract Houston TX USA
3. NASA Johnson Space Center Jacobs JETS Contract Houston TX USA
4. NASA Johnson Space Center Houston TX USA
5. Department of Earth, Atmospheric and Planetary Science Purdue University West Lafayette IN USA
6. Environmental Studies Program Department of Geography University of Oregon Eugene OR USA
7. Institute of Ecology and Evolution University of Oregon Eugene OR USA