{"nrhp_refnum":"74001611","name":"Seip Earthworks and Dill Mounds District","other_names":["Priver Works","Dill Mounds I, II, &amp","Iii","Overly Mound","Rowe Moun"],"category":"district","location":{"address":null,"address_restricted":true,"city":"Bainbridge","county":"Ross County","state":"OH","lat":null,"lon":null,"geom_source":null},"listed_date":"1974-08-13","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric"],"significance_levels":["state"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/71991164","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/ohio/ross-county/seip-earthworks-and-dill-mounds-district-74001611/"}