{"nrhp_refnum":"79002977","name":"El Sal Del Rey Archeological District","other_names":["El Sal del Rey,La Purificacion"],"category":"district","location":{"address":null,"address_restricted":true,"city":"Linn","county":"Hidalgo County","state":"TX","lat":null,"lon":null,"geom_source":null},"listed_date":"1979-08-27","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Industry","Prehistoric","Historic - Aboriginal","Exploration/Settlement","Law"],"significance_levels":["state"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/40972566","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/texas/hidalgo-county/el-sal-del-rey-archeological-district-79002977/"}