{"nrhp_refnum":"100003979","name":"Swann-Daingerfield House","other_names":["St. Mary's Academy","Carter Hall","Dhr # 100-0121-1529"],"category":"building","location":{"address":"712 Prince St.","address_restricted":false,"city":"Alexandria","county":"Alexandria","state":"VA","lat":38.80376000000007,"lon":-77.04797999999994,"geom_source":"nps_gis"},"listed_date":"2019-05-23","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Education","Architecture"],"significance_levels":["local"],"summary":null,"photo":null,"district":{"nrhp_refnum":"66000928","name":"Alexandria Historic District","url":"https://nationalhistoricalregister.com/districts/virginia/alexandria-historic-district-66000928/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/virginia/alexandria/swann-daingerfield-house-100003979/"}