{"nrhp_refnum":"100012750","name":"Shield Ranch (Boundary Increase)","other_names":["Hallmann Ranch","Olle Ranch"],"category":"district","location":{"address":null,"address_restricted":true,"city":"Bee Cave","county":"Travis County","state":"TX","lat":null,"lon":null,"geom_source":null},"listed_date":"2026-02-17","is_nhl":false,"nhl_designated_date":null,"areas_of_significance":["Agriculture"],"significance_levels":["local"],"summary":null,"photo":null,"district":null,"sources":{"nps_snapshot_date":"2026-05-22","nara_catalog":null,"wikipedia":null,"wikidata":null},"indexable":false,"url":"https://nationalhistoricalregister.com/texas/travis-county/shield-ranch-boundary-increase-100012750/"}