Welcome to the Q&A Forum

Hey Kevin! Back in 2012 when Google stopped supporting Geo Sitemaps, they made a point of explaining that they were still supporting KML files. See: http://blumenthals.com/blog/2012/03/28/google-still-supporting-kml-files-but-not-the-use-of-geo-sitemaps/ and https://developers.google.com/maps/support/kmlmaps However, as Patrick mentions, Schema has become much more the markup of choice in the past few years.