Vector outline map of California showing state and county borders. Derived from a US Census publication.
<ul><li><a href="//commons.wikimedia.org/wiki/File:California_county_map.svg" title="File:California county map.svg">California_county_map.svg</a>:  United States Census Bureau</li>
<li>derivative work: <a href="//commons.wikimedia.org/wiki/User:Babbage" title="User:Babbage">Babbage</a> (<a href="//commons.wikimedia.org/wiki/User_talk:Babbage" title="User talk:Babbage"><span class="signature-talk">talk</span></a>)</li></ul>
<ul><li><a href="//commons.wikimedia.org/wiki/File:California_county_map.svg" title="File:California county map.svg">California_county_map.svg</a></li></ul>