{"nrhp_refnum":"78001146","name":"Sheets Site","other_names":[],"category":"site","location":{"address":null,"address_restricted":true,"city":"Lewistown","county":"Fulton County","state":"IL","lat":null,"lon":null,"geom_source":null},"listed_date":"1978-12-22","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric"],"significance_levels":["state"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/28892863","wikipedia":"https://en.wikipedia.org/wiki/Sheets_Site","wikidata":"https://www.wikidata.org/wiki/Q24061464"},"indexable":false,"url":"https://nationalhistoricalregister.com/illinois/fulton-county/sheets-site-78001146/"}