{"nrhp_refnum":"84001945","name":"Maston No. 13 Stone Wall (41OL249)","other_names":["41ol249"],"category":"structure","location":{"address":null,"address_restricted":true,"city":"Adrian","county":"Oldham County","state":"TX","lat":null,"lon":null,"geom_source":null},"listed_date":"1984-09-10","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Historic - Non-Aboriginal"],"significance_levels":["state"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":"https://catalog.archives.gov/id/40969909","wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/texas/oldham-county/maston-no-13-stone-wall-41ol249-84001945/"}