Cook_County_GIS4-Band aerial imagery flown in 2015 for Cook County at 6 inch pixel resolution. Mosaic name is CookMosaic2015_RGBNIR. Service published on 03/31/2017. To download, let your browser load blocked content. It is recommended that the GeoService URL is used for GIS applications, rather than downloading data. Full resolution data is available from the Cook County GIS Map Center .ArcGIS ImageMapLayerhttps://hub.arcgis.com/datasets/c444fbb0859444b590570061c08cd7a5engCook CentralPublicCook County Aerial Imagery 2015 [Illinois--Cook County]Web servicesIllinois--Cook CountyIllinois2015