[1] Arizona State Univ, Dept Geol, Tempe, AZ 85287 USA
[2] US Geol Survey, Flagstaff, AZ 86001 USA
[3] Malin Space Sci Syst, San Diego, CA 92191 USA
[4] NASA, Lyndon B Johnson Space Ctr, Houston, TX 77058 USA
[5] US Geol Survey, Denver, CO 80225 USA
[6] Univ Colorado, Atmospher & Space Phys Lab, Boulder, CO 80309 USA
[7] Goddard Space Flight Ctr, Greenbelt, MD 20771 USA
[8] Space Sci Inst, Boulder, CO USA
[9] Raytheon Santa Barbara Remote Sensing, Goleta, CA USA
[10] Vernadsky Inst, Moscow, Russia
[11] NASA, Ames Res Ctr, Moffett Field, CA 94035 USA