{"nrhp_refnum":"00001046","name":"Black Canyon-Inscription Canyon-Black Mountain Rock Art District","other_names":[],"category":"district","location":{"address":null,"address_restricted":true,"city":"Hinkley","county":"San Bernardino County","state":"CA","lat":null,"lon":null,"geom_source":null},"listed_date":"2000-09-12","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric","Art","Religion","Historic - Aboriginal"],"significance_levels":["national"],"summary":null,"photo":{"url_800":"https://nationalhistoricalregister.com/media/00001046/9515a19624-800.webp","url_1600":"https://nationalhistoricalregister.com/media/00001046/9515a19624-1600.webp","licence":"Public domain","author":"Bureau of Land Management","credit_html":"<a href=\"https://commons.wikimedia.org/wiki/File:Black_Mountain_petroglyphs.jpg\" rel=\"noopener\">Bureau of Land Management</a>, Public domain, via Wikimedia Commons","source_page":"https://commons.wikimedia.org/wiki/File:Black_Mountain_petroglyphs.jpg"},"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123860730","wikipedia":"https://en.wikipedia.org/wiki/Black_Mountain_Rock_Art_District","wikidata":"https://www.wikidata.org/wiki/Q19867306"},"indexable":false,"url":"https://nationalhistoricalregister.com/california/san-bernardino-county/black-canyon-inscription-canyon-black-mountain-rock-art-district-00001046/"}