{"nrhp_refnum":"16000473","name":"Devils Postpile Cabin Site","other_names":[],"category":"site","location":{"address":null,"address_restricted":true,"city":"Mammoth Lakes","county":"Madera County","state":"CA","lat":null,"lon":null,"geom_source":null},"listed_date":"2016-07-18","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Exploration/Settlement","Industry","Conservation","Historic - Non-Aboriginal"],"significance_levels":["local"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/california/madera-county/devils-postpile-cabin-site-16000473/"}