archeology icon
<a href="//commons.wikimedia.org/wiki/User:Romaine" title="User:Romaine">Romaine</a>
<span class="int-own-work" lang="en">Own work</span> + derivated from <a href="//commons.wikimedia.org/wiki/File:MUTCD_RS-142.svg" title="File:MUTCD RS-142.svg">File:MUTCD RS-142.svg</a>