{"nrhp_refnum":"14000539","name":"Barstow, William, Mansion","other_names":["American Merchant Marine Museum","McNulty Campus"],"category":"building","location":{"address":"300 Steamboat Rd.","address_restricted":false,"city":"Kings Point","county":"Nassau County","state":"NY","lat":40.814940533000026,"lon":-73.76238748199995,"geom_source":"nps_gis"},"listed_date":"2014-08-29","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Architecture","Social History","Industry"],"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/new-york/nassau-county/barstow-william-mansion-14000539/"}