{"nrhp_refnum":"75000224","name":"Fern Cave Archeological Site","other_names":[],"category":"site","location":{"address":null,"address_restricted":true,"city":"Tule Lake","county":"Modoc County","state":"CA","lat":null,"lon":null,"geom_source":null},"listed_date":"1975-05-29","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric","Historic - Aboriginal"],"significance_levels":["state"],"summary":null,"photo":{"url_800":"https://nationalhistoricalregister.com/media/75000224/469c6a3a20-800.webp","url_1600":"https://nationalhistoricalregister.com/media/75000224/469c6a3a20-1600.webp","licence":"Public domain","author":"NPS Photo","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Labe_Ferncave.JPG\" rel=\"noopener\">NPS Photo</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Labe_Ferncave.JPG"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123859868","wikipedia":"https://en.wikipedia.org/wiki/Fern_Cave_Archeological_Site","wikidata":"https://www.wikidata.org/wiki/Q85760763"},"indexable":false,"url":"https://nationalhistoricalregister.com/california/modoc-county/fern-cave-archeological-site-75000224/"}