{"nrhp_refnum":"75001548","name":"Ratcliffe Mound","other_names":["33-Vi-3"],"category":"site","location":{"address":null,"address_restricted":true,"city":"Londonderry","county":"Vinton County","state":"OH","lat":39.307222,"lon":-82.728611,"geom_source":"wikidata"},"listed_date":"1975-08-28","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric"],"significance_levels":["local"],"summary":null,"photo":{"url_800":"https://nationalhistoricalregister.com/media/75001548/880bc78959-800.webp","url_1600":"https://nationalhistoricalregister.com/media/75001548/880bc78959-1600.webp","licence":"Public domain","author":"Nyttend","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Ratcliffe_Mound_from_north.jpg\" rel=\"noopener\">Nyttend</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Ratcliffe_Mound_from_north.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71991803","wikipedia":"https://en.wikipedia.org/wiki/Ratcliffe_Mound","wikidata":"https://www.wikidata.org/wiki/Q7295517"},"indexable":true,"url":"https://nationalhistoricalregister.com/ohio/vinton-county/ratcliffe-mound-75001548/"}