{"nrhp_refnum":"100008049","name":"Ohio & Erie Canal Southern Descent Historic District (Boundary Increase)","other_names":[],"category":"district","location":{"address":"Old River Rd. at Slab Run","address_restricted":false,"city":"Portsmouth","county":"Scioto County","state":"OH","lat":38.72606250000007,"lon":-83.03130545494751,"geom_source":"nps_gis"},"listed_date":"2022-09-02","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Transportation","Engineering"],"significance_levels":["state"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/ohio/scioto-county/ohio-and-erie-canal-southern-descent-historic-district-boundary-increase-100008049/"}