{"nrhp_refnum":"77000485","name":"Duffy Site","other_names":[],"category":"site","location":{"address":null,"address_restricted":true,"city":"New Haven","county":"Gallatin County","state":"IL","lat":37.858611,"lon":-88.096389,"geom_source":"wikidata"},"listed_date":"1977-08-26","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric"],"significance_levels":["national"],"summary":null,"photo":{"url_800":"https://nationalhistoricalregister.com/media/77000485/278e1d9d54-800.webp","url_1600":"https://nationalhistoricalregister.com/media/77000485/278e1d9d54-1600.webp","licence":"Public domain","author":"Nyttend","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Duffy_Site_south_of_New_Haven.jpg\" rel=\"noopener\">Nyttend</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Duffy_Site_south_of_New_Haven.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/28892897","wikipedia":"https://en.wikipedia.org/wiki/Duffy_site","wikidata":"https://www.wikidata.org/wiki/Q5312405"},"indexable":true,"url":"https://nationalhistoricalregister.com/illinois/gallatin-county/duffy-site-77000485/"}