{"nrhp_refnum":"03000120","name":"Spoke Wheel Rock Alignment","other_names":["Ca-Imp-6988"],"category":"site","location":{"address":null,"address_restricted":true,"city":"Ocotillo","county":"Imperial County","state":"CA","lat":null,"lon":null,"geom_source":null},"listed_date":"2003-09-29","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Art","Prehistoric"],"significance_levels":["local"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123857382","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/california/imperial-county/spoke-wheel-rock-alignment-03000120/"}