Abandoned mines

<div class="citation" vocab="http://schema.org/"><i class="fa fa-external-link-square fa-fw"></i> Data from <span resource="http://link.sfpl.org/resource/ukfnfCj7UOw/" typeof="Enumeration http://bibfra.me/vocab/lite/Topic"><span property="name http://bibfra.me/vocab/lite/label"><a href="http://link.sfpl.org/resource/ukfnfCj7UOw/">Abandoned mines</a></span> - <span property="offers" typeOf="Offer"><span property="offeredBy" typeof="Library ll:Library" resource="http://link.sfpl.org/"><span property="name http://bibfra.me/vocab/lite/label"><a property="url" href="http://link.sfpl.org/">San Francisco Public Library</a></span></span></span></span></div>