{"nrhp_refnum":"71000163","name":"Miller Creek School Indian Mound","other_names":["4 Mrn.138"],"category":"site","location":{"address":null,"address_restricted":true,"city":"San Rafael","county":"Marin County","state":"CA","lat":null,"lon":null,"geom_source":null},"listed_date":"1971-10-14","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric"],"significance_levels":["state"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/123859692","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/california/marin-county/miller-creek-school-indian-mound-71000163/"}