Two channels are visible in today's image. The smaller one near the bottom of the image did not carve as deeply as the larger channel at the top of the image. The channel near the top of the image is near the origin of Mamers Valles.
Orbit Number: 54129 Latitude: 30.7146 Longitude: 19.1717 Instrument: VIS Captured: 2014-02-25 20:00
Photo credit: NASA/JPL-Caltech/Arizona State University