<http://schema.org/specialty>
"Comprehensive Calvert County, MD real estate listings with Calvert County, Maryland home prices &amp; MLS details, by city, town, street address, and by Calvert County, MD zip codes."^^<http://www.w3.org/2001/XMLSchema#string>
<http://www.realtytrac.com/mapsearch/real-estate/md/calvert-county/>