data.cityofchicago.orgMany of Chicago's largest parks are connected by a network historic boulevards. These wide, tree-studded avenues, along with the parks they connect, form an "Emerald Necklace" of green space around the city. To view or use this file, special GIS software such as Google Earth is required. To download, right-click the "Download" link above and choose "Save link as."https://data.cityofchicago.org/api/views/uhyd-nthdengCity of Chicago Data PortalPublicEnvironment & Sustainable DevelopmentOpen Spaces - Boulevards - KML [Illinois--Chicago]Web servicesIllinois--ChicagoIllinoisLast Modified: 2012-09-07