{"nrhp_refnum":"03000121","name":"Archeological Sites CA-RIV-504 and CA-RIV-773","other_names":["Mule Tank Discontiguous Rock Art District"],"category":"site","location":{"address":null,"address_restricted":true,"city":"Blythe","county":"Riverside County","state":"CA","lat":null,"lon":null,"geom_source":null},"listed_date":"2003-03-12","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric","Historic - Aboriginal","Art","Religion"],"significance_levels":["state"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123860434","wikipedia":null,"wikidata":"https://www.wikidata.org/wiki/Q110493133"},"indexable":false,"url":"https://nationalhistoricalregister.com/california/riverside-county/archeological-sites-ca-riv-504-and-ca-riv-773-03000121/"}