Mad Vallis is a vallis (valley) in the Hellas quadrangle of Mars, with its location centered at 56.5° S and 283.9° W. It is 524 km long and was named after the Mad River in Vermont, USA.[1]
Coordinates | 56°30′S 283°54′W / 56.5°S 283.9°W |
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References
edit- ^ "Mad Vallis". Gazetteer of Planetary Nomenclature. USGS Astrogeology Research Program.