{"nrhp_refnum":"12000040","name":"Chicago Park Boulevard System Historic District","other_names":[],"category":"district","location":{"address":"Douglas, Gage, McKinley, Jackson, Sherman, Washington, Garfield, & Humboldt Parks, E. Oakwood, S. Drexel Blvds.","address_restricted":false,"city":"Chicago","county":"Cook County","state":"IL","lat":41.85526833850005,"lon":-87.66939108342885,"geom_source":"nps_gis"},"listed_date":"2018-12-18","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture","Community Planning and Development","Landscape Architecture"],"significance_levels":["national"],"summary":null,"photo":null,"district":{"nrhp_refnum":"05001609","name":"Pilsen Historic District","url":"https://nationalhistoricalregister.com/districts/illinois/pilsen-historic-district-05001609/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/illinois/cook-county/chicago-park-boulevard-system-historic-district-12000040/"}