{"nrhp_refnum":"74001644","name":"Bone Stone Graves","other_names":[],"category":"site","location":{"address":null,"address_restricted":true,"city":"Oregonia","county":"Warren County","state":"OH","lat":39.481389,"lon":-84.121944,"geom_source":"wikidata"},"listed_date":"1974-07-15","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric"],"significance_levels":["local"],"summary":null,"photo":{"url_800":"https://nationalhistoricalregister.com/media/74001644/fb1d7a59b6-800.webp","url_1600":"https://nationalhistoricalregister.com/media/74001644/fb1d7a59b6-1600.webp","licence":"Public domain","author":"Nyttend","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Bone_Stone_Graves_site_overview.jpg\" rel=\"noopener\">Nyttend</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Bone_Stone_Graves_site_overview.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71991818","wikipedia":"https://en.wikipedia.org/wiki/Bone_Stone_Graves","wikidata":"https://www.wikidata.org/wiki/Q4941529"},"indexable":true,"url":"https://nationalhistoricalregister.com/ohio/warren-county/bone-stone-graves-74001644/"}