{"nrhp_refnum":"76001445","name":"Colerain Works Archeological District","other_names":["33Ha3"],"category":"district","location":{"address":null,"address_restricted":true,"city":"Dunlap","county":"Hamilton County","state":"OH","lat":null,"lon":null,"geom_source":null},"listed_date":"1976-06-18","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric"],"significance_levels":["state"],"summary":null,"photo":{"url_800":"https://nationalhistoricalregister.com/media/76001445/8ec20301ad-800.webp","url_1600":"https://nationalhistoricalregister.com/media/76001445/8ec20301ad-1600.webp","licence":"Public domain","author":"Nyttend","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Overview_of_the_Colerain_Works.jpg\" rel=\"noopener\">Nyttend</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Overview_of_the_Colerain_Works.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71988835","wikipedia":"https://en.wikipedia.org/wiki/Colerain_Works_Archeological_District","wikidata":"https://www.wikidata.org/wiki/Q5144607"},"indexable":false,"url":"https://nationalhistoricalregister.com/ohio/hamilton-county/colerain-works-archeological-district-76001445/"}