<p>Reading the Geologic Record
</p>
Image: NASA/JPL/University of Arizona
<a rel="nofollow" class="external text" href="https://www.flickr.com/people/71688597@N05">UAHiRISE (NASA)</a>
2016-02-03 15:15
<a rel="nofollow" class="external text" href="https://www.flickr.com/photos/uahirise-mars/24801068155/">ESP_017013_1890</a>