{"nrhp_refnum":"81000170","name":"Archeological Site CA SBR 3186","other_names":["Aboriginal Rock Cairn Complex"],"category":"site","location":{"address":null,"address_restricted":true,"city":"Silver Lake","county":"San Bernardino County","state":"CA","lat":null,"lon":null,"geom_source":null},"listed_date":"1981-02-10","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric"],"significance_levels":["state"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123860719","wikipedia":"https://en.wikipedia.org/wiki/CA-SBR-3186","wikidata":"https://www.wikidata.org/wiki/Q16850082"},"indexable":false,"url":"https://nationalhistoricalregister.com/california/san-bernardino-county/archeological-site-ca-sbr-3186-81000170/"}