{"nrhp_refnum":"77001432","name":"Sister Grove Creek Site","other_names":["X41col36"],"category":"site","location":{"address":null,"address_restricted":true,"city":"Farmersville","county":"Collin County","state":"TX","lat":null,"lon":null,"geom_source":null},"listed_date":"1977-08-22","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric"],"significance_levels":["local"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/40971517","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/texas/collin-county/sister-grove-creek-site-77001432/"}