{"nrhp_refnum":"84003757","name":"Grantham, Norma, Site (33-La-139)","other_names":["33-La-139"],"category":"site","location":{"address":null,"address_restricted":true,"city":"Fairport Harbor","county":"Lake County","state":"OH","lat":null,"lon":null,"geom_source":null},"listed_date":"1984-05-31","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/71989542","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/ohio/lake-county/grantham-norma-site-33-la-139-84003757/"}