Close-up of Columbus Crater, as seen by hirise.  Location is 28.8 S and 193.3 E.
Jim Secosky selected nasa image.
9/30/09
<a rel="nofollow" class="external free" href="http://hirise.lpl.arizona.edu/ESP_013960_1510">http://hirise.lpl.arizona.edu/ESP_013960_1510</a>