{"nrhp_refnum":"78002083","name":"Dravo Gravel Site","other_names":["33ha377"],"category":"site","location":{"address":null,"address_restricted":true,"city":"Cleves","county":"Hamilton County","state":"OH","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":{"url_800":"https://nationalhistoricalregister.com/media/78002083/39784fff27-800.webp","url_1600":"https://nationalhistoricalregister.com/media/78002083/39784fff27-1600.webp","licence":"Public domain","author":"Nyttend","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Dravo_Gravel_Site.jpg\" rel=\"noopener\">Nyttend</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Dravo_Gravel_Site.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71988837","wikipedia":"https://en.wikipedia.org/wiki/Dravo_Gravel_Site","wikidata":"https://www.wikidata.org/wiki/Q5305969"},"indexable":false,"url":"https://nationalhistoricalregister.com/ohio/hamilton-county/dravo-gravel-site-78002083/"}