Licensed under <ahref="http://www.apache.org/licenses/LICENSE-2.0.html">Apache License 2.0 </a></dd>
</dl>
<h2>Icons</h2>
<dlclass="definition">
<dt>Arrow obsidian</dt>
<dd>This image is a work of a United States Department of Energy (or predecessor organization) employee, taken or made during the course of an employee's official duties. As a work of the U.S. federal government, the image is in the public domain.
<br> <br>Thank you to Julien Torres for the cutout operation.</dd>
</dl>
<h2>Photography</h2>
<dlclass="definition">
<dt><ahref="http://www.flickr.com/photos/travelingotter/5351260684/"></a>Gray Glacier - Torres del Paine, Chile</dt>
<dd>Photography by <ahref="http://www.flickr.com/photos/travelingotter/">TravelingOtter</a>, licensed under <ahref="http://creativecommons.org/licenses/by/2.0/ rel="license">CC-BY 2.0</a>.</dd>