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Harmakhis Vallis is the rightmost channel pictured. The direction of water flow was toward the bottom of the image.
|Naming||Ancient Egyptian word for "Mars"|
Gullies are also common on the wall of Harmakhis Vallis, as seen the image below. Some authors have suggested these structures indicate geologically recent flow of small quantities of water across the surface.
See also 
- Heldmann, J. and M. Mellon. Observations of Martian gullies and constraints on potential formation mechanisms. 2004. Icarus. 168: 285-304.
- Further reading
- Bleamaster, L, Crown, D (2004). "Morphologic Development of Harmakhis Vallis, Mars". Lunar and Planetary Science Conference.
- Price, K (1992). "Geologic Mapping of Part of Harmakhis Vallis Region, Mars: Evidence of Multiple Drainage Events". Lunar and Planetary Science Conference.
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