{"nrhp_refnum":"05000458","name":"Wesleyan Grove","other_names":[],"category":"district","location":{"address":"Martha's Vineyard","address_restricted":false,"city":"Oak Bluffs","county":"Dukes County","state":"MA","lat":41.45559638900005,"lon":-70.56029968399997,"geom_source":"nps_gis"},"listed_date":"2005-04-05","is_nhl":true,"nhl_designated_date":"2005-04-05","areas_of_significance":[],"significance_levels":["national"],"summary":null,"photo":null,"district":{"nrhp_refnum":"78000439","name":"Martha's Vineyard Campground","url":"https://nationalhistoricalregister.com/districts/massachusetts/marthas-vineyard-campground-78000439/"},"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/63793665","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/massachusetts/dukes-county/wesleyan-grove-05000458/"}