Marker filters work even if marker was not created by google maps
Marker filters work even if marker was not created by google maps

zmon/civic-project-mapping,codeforkansascity/civic-project-mapping,zmon/civic-project-mapping,communitykc/communitykc.github.io,communitykc/communitykc.github.io,codeforkansascity/civic-project-mapping