{"nrhp_refnum":"100009684","name":"Gillson Park and Wilmette Harbor Historic District","other_names":["Washington Park"],"category":"district","location":{"address":"Michigan Avenue and Sheridan Road","address_restricted":false,"city":"Wilmette","county":"Cook County","state":"IL","lat":42.079341500000055,"lon":-87.6855635231588,"geom_source":"nps_gis"},"listed_date":"2024-05-02","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Landscape Architecture","Community Planning and Development"],"significance_levels":["local"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/illinois/cook-county/gillson-park-and-wilmette-harbor-historic-district-100009684/"}