Catalog of Planetary Maps
#1824

Wells, R. A.

Martian topographic contours from the author’s observing session 8–15 June 1969

Mars

1971

contour map Martian surface harmonics and continental drift, Physics of the Earth and Planetary Interiors, Volume 4, Issue 3, April 1971, Pages 273-285. The dark areas are interpreted as elevated, based on terrestrial CO2 measurements