This false color image from NASA 2001 Mars Odyssey spacecraft shows an unnamed channel on the margin between the higher elevations of Terra Cimmeria and the lower elevations of Elysium Planitia.
Orbit Number: 7648 Latitude: -8.87244 Longitude: 143.027 Instrument: VIS Captured: 2003-09-05 02:35
http://photojournal.jpl.nasa.gov/catalog/PIA19487
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