{"nrhp_refnum":"100006817","name":"Mary’s Cave","other_names":["Ca-Sbr-535/H","Shelter Rock","Mary’s Bedroom","Wild Horse Rock Shelter"],"category":"site","location":{"address":null,"address_restricted":true,"city":"Essex","county":"San Bernardino County","state":"CA","lat":null,"lon":null,"geom_source":null},"listed_date":"2021-08-23","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Archeology-Prehistoric","Archeology-Historic Non-Aboriginal","Ethnic Heritage-Native American","Philosophy","Religion","Art","Communications"],"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/california/san-bernardino-county/mary-s-cave-100006817/"}