This web page was designed and formatted by Ginny Gulick, an NRC
Research Fellow at NASA-Ames Research Center. Please send comments
or suggestions for improvement to me at the address below. I
thank the staff at the Lunar and Planetary Institute for their
help in scanning in figures.
Dr. Virginia C. Gulick
MS 245-3, Space Science Division
NASA-Ames Research Center
Moffett Field, CA 94035
gulick@barsoom.arc.nasa.gov