{"nrhp_refnum":"78002205","name":"Stubbs Earthworks","other_names":["33Wa1","Bigfoot Earthworks","Warren County Serpent Mound"],"category":"district","location":{"address":null,"address_restricted":true,"city":"Morrow","county":"Warren County","state":"OH","lat":null,"lon":null,"geom_source":null},"listed_date":"1978-04-04","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric"],"significance_levels":["local"],"summary":null,"photo":{"url_800":"https://nationalhistoricalregister.com/media/78002205/8b784f2794-800.webp","url_1600":"https://nationalhistoricalregister.com/media/78002205/8b784f2794-1600.webp","licence":"Public domain","author":"Charles Whittlesey","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Stubbs_Earthworks_Charles_Whittlesey_1852.jpg\" rel=\"noopener\">Charles Whittlesey</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Stubbs_Earthworks_Charles_Whittlesey_1852.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71991831","wikipedia":"https://en.wikipedia.org/wiki/Stubbs_Earthworks","wikidata":"https://www.wikidata.org/wiki/Q47005649"},"indexable":false,"url":"https://nationalhistoricalregister.com/ohio/warren-county/stubbs-earthworks-78002205/"}