{"nrhp_refnum":"15000100","name":"POLARIS (research vessel)","other_names":["Pasada Manana"],"category":"structure","location":{"address":"597 Seaport Blvd.","address_restricted":false,"city":"Redwood City","county":"San Mateo County","state":"CA","lat":37.50752866000005,"lon":-122.21153747799997,"geom_source":"nps_gis"},"listed_date":"2015-03-24","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Maritime History","Entertainment/Recreation","Science","Architecture","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/california/san-mateo-county/polaris-research-vessel-15000100/"}