id	domain	url
concept-1835	maps.google.com	https://maps.google.com/maps
concept-1835	www.itoworld.com	http://www.itoworld.com/map/179
concept-1835	www.freedemographics.com	http://www.freedemographics.com
concept-1835	onthemap.ces.census.gov	http://onthemap.ces.census.gov