languages, while small ones are named for rivers. "Planetary Names: Vallis, valles: Neretva Vallis on Mars". planetarynames.wr.usgs.gov. Gazetteer of Planetary
(Surius Vallis, DzígaiVallis, and Pallacopas Vallis) flowed into Argyre from the south and east through the rim mountains. The fourth, Uzboi Vallis, appears
Ares Vallis Viking mosaic of the mouth of Ares Vallis. The image to the right is located in lower right of this image. Erosion features in Ares Vallis, as
Holden crater. Part of Uzboi Vallis along with nearby craters. Colors relate to elevation. Bond crater (bottom), Uzboi Vallis, and Martynov crater (top)