{"nrhp_refnum":"75001529","name":"Adena Mound","other_names":[],"category":"structure","location":{"address":null,"address_restricted":true,"city":"Chillicothe","county":"Ross County","state":"OH","lat":39.355928,"lon":-83.009061,"geom_source":"wikidata"},"listed_date":"1975-06-05","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric"],"significance_levels":["state"],"summary":null,"photo":{"url_800":"https://nationalhistoricalregister.com/media/75001529/1cad6febe7-800.webp","url_1600":"https://nationalhistoricalregister.com/media/75001529/1cad6febe7-1600.webp","licence":"Public domain","author":"Unknown authorUnknown author","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Adena_Mound.jpg\" rel=\"noopener\">Unknown authorUnknown author</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Adena_Mound.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71991221","wikipedia":"https://en.wikipedia.org/wiki/Adena_mound","wikidata":"https://www.wikidata.org/wiki/Q4682185"},"indexable":true,"url":"https://nationalhistoricalregister.com/ohio/ross-county/adena-mound-75001529/"}