{"nrhp_refnum":"100001497","name":"Llangollen","other_names":["Dhr#053-0408"],"category":"district","location":{"address":"21515 Trappe Rd.","address_restricted":false,"city":"Upperville","county":"Loudoun County","state":"VA","lat":39.03222000000005,"lon":-77.89047119580059,"geom_source":"nps_gis"},"listed_date":"2017-08-21","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture","Agriculture","Entertainment/Recreation"],"significance_levels":["local"],"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/virginia/loudoun-county/llangollen-100001497/"}