{"nrhp_refnum":"77001468","name":"Tapalcomes","other_names":["Polvo","41 Ps 21"],"category":"site","location":{"address":null,"address_restricted":true,"city":"Redford","county":"Presidio County","state":"TX","lat":null,"lon":null,"geom_source":null},"listed_date":"1977-03-25","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Prehistoric","Historic - Aboriginal","Exploration/Settlement"],"significance_levels":["state"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/40973227","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/texas/presidio-county/tapalcomes-77001468/"}