{"nrhp_refnum":"73000396","name":"Mud Creek Canyon","other_names":["Richardson Springs"],"category":"district","location":{"address":null,"address_restricted":true,"city":"Chico","county":"Butte County","state":"CA","lat":null,"lon":null,"geom_source":null},"listed_date":"1973-08-14","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric","Historic - Aboriginal","Science","Social History"],"significance_levels":["local"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123858440","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/california/butte-county/mud-creek-canyon-73000396/"}