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• Parks (82) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Parks/MapServer)
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• Schools (21) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Schools/MapServer/0)
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• Tourist Attractions (74) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Landmarks/MapServer)
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• Benchmarks (73) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Benchmarks/MapServer;layerMask=Benchmarks)
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• WC Historical Preservation Commission Sites (41) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Historical_Preservation/MapServer;layerMask=WC Historical Preservation Commission Sites)
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• WaterLines (46) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/WaterLines/MapServer)
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• Parcels_LY_V (148) (url=https://gis.willcountyillinois.com/hosting/rest/services/Basemap/Parcels_LY_V/MapServer)
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• Census (75) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Census/MapServer)
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• Precincts (15) (url=https://gis.willcountyillinois.com/hosting/rest/services/PoliticalLayers/Precincts/MapServer;layerMask=Precincts)
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• Judicial Districts (123) (url=https://gis.willcountyillinois.com/hosting/rest/services/PoliticalLayers/Judicial_Districts/MapServer)
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• Judicial_Districts_2010 (127) (url=https://gis.willcountyillinois.com/hosting/rest/services/PoliticalLayers/Judicial_Districts_2010/MapServer)
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• Base_Flood_Elevation_Line (81) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Base_Flood_Elevation_Line/MapServer)
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• Townships (43) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Townships/MapServer)
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• Railroads (13) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Railroads/MapServer/0)
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• TaxMapLayers_LY (44) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/TaxMapLayers_LY/MapServer)
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• Buildings (3) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Buildings/MapServer)
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• FEMA_LOMR (85) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/FEMA_LOMR/MapServer)
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• Flood_Hazard_Area (84) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Flood_Hazard_Area/MapServer)
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• FIRM_Panel (83) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/FIRM_Panel/MapServer)
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• EnterpriseZones (93) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/EnterpriseZones/MapServer)
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• South Suburban Airport (9) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/SouthSuburbanAirport/MapServer/0)
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• Watersheds (79) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/Watersheds/MapServer)
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• WaterBodies (45) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/WaterBodies/MapServer)
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• ContourLines2021_1Ft (136) (url=https://gis.willcountyillinois.com/server/rest/services/Basemap/ContourLines2021_1Ft/MapServer)
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• Drainage Districts (Map Service) (197) (url=https://gis.willcountyillinois.com/hosting/rest/services/TaxDistricts/Drainage_Districts/MapServer)
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• ParkDistricts (Map Service) (195) (url=https://gis.willcountyillinois.com/hosting/rest/services/TaxDistricts/ParkDistricts/MapServer)
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Layers:
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• 2025 - 3 inch Aerial Photos (194) (url=https://gis.willcountyillinois.com/portal/sharing/servers/c20ccc720c234f25b88684938c050e52/rest/services/Orthoimagery/Orthos_2025IR_3IN/ImageServer)
• 2024 - 3 inch Aerial Photos (154) (url=https://gis.willcountyillinois.com/portal/sharing/servers/78c1a82f2ff64f40a0919a5f4ef75788/rest/services/Orthoimagery/Orthos_2024_3IN_/MapServer)
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• Boundary (1)
• Footprint (2)
• Image (3)
• 2023 - 6 inch Aerial Photos (192) (url=https://gis.willcountyillinois.com/portal/sharing/servers/21751ed8f6b047c2b447bd150864f194/rest/services/Orthoimagery/Orthos_2023_6IN/ImageServer)
• 2022 - 3 inch Aerial Photos (193) (url=https://gis.willcountyillinois.com/image/rest/services/Orthoimagery/Orthos_2022IR_3IN/ImageServer)
• 2021 - 6 inch Aerial Photos (145) (url=https://gis.willcountyillinois.com/image/rest/services/Orthoimagery/Orthos_2021_6IN/ImageServer)
• 2020 - 6 inch Aerial Photos (147) (url=https://gis.willcountyillinois.com/image/rest/services/Orthoimagery/Orthos_2020_6IN/ImageServer)
• 2019 - 6 inch Aerial Photos (71) (url=https://gis.willcountyillinois.com/server/rest/services/Orthoimagery/Orthos_2019_6IN_WM/MapServer)
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• 2018 - Aerial Photos (4 & 6 inch) (118) (url=https://gis.willcountyillinois.com/server/rest/services/Orthoimagery/Orthos_2018_CombinedRes_WM/MapServer)
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• 2017 - Aerial Photos (4 & 9 inch) (112) (url=https://gis.willcountyillinois.com/server/rest/services/Orthoimagery/Orthos_2017_CombinedRes_WM/MapServer)
Layers:
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• 2015 - Aerial Photos (4 & 9 inch) (117) (url=https://gis.willcountyillinois.com/server/rest/services/Orthoimagery/Orthos_2015_CombinedRes_WM/MapServer)
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• 2013 - 6 inch Aerial Photos (150) (url=https://gis.willcountyillinois.com/image/rest/services/Orthoimagery/Orthos_2013IR_6IN/ImageServer)
• 2012 - 6 inch Aerial Photos (110) (url=https://gis.willcountyillinois.com/server/rest/services/Orthoimagery/Orthos_2012_6IN_WM/MapServer;layerMask=2012 - 6 inch Aerial Photos)
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• 2010 - 6 inch Aerial Photos (61) (url=https://gis.willcountyillinois.com/server/rest/services/Orthoimagery/Orthos_2010_6IN_WM/MapServer)
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• 2008 - 6 inch Aerial Photos (0)
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• 2002 - 1 meter Aerial Photos (0)
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• 1975 - 1 foot Aerial Photos (152) (url=https://gis.willcountyillinois.com/image/rest/services/Orthoimagery/AerialBW1975_FT/ImageServer;tokenUrl=)
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• 1939 - 200 meter Aerial Photos (Primary Map Service) (101) (url=https://gis.willcountyillinois.com/server/rest/services/Orthoimagery/Orthos_1939_200M_BW_WM/MapServer;layerMask=Orthos_1939)
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Supported Interfaces:  REST