Gullies in Mare Acidalium quadrangle, as seen by HiRISE under HiWish program
Jim Secosky modified  a NASA image  NASA/JPL/Arizona/Secosky
2018-06-14
<a rel="nofollow" class="external free" href="http://hirise.lpl.arizona.edu/ESP_055122_2225">http://hirise.lpl.arizona.edu/ESP_055122_2225</a>