{"id":"S85139577","label":"Underground areas","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85139577","normalized_label":"underground areas","broader":["http://id.loc.gov/authorities/subjects/sh85074345"],"aliases":["Space, Underground","Subsurface space","Subterranean areas","Subterranean sites","Underground sites","Underground space"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85139577","provider":"lcsh","revision":"b3f8e6e2b9861e6e","taxonomy_revision":"f050b5d4780b1289","title":"Underground areas","url":"/topics/S85139577","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124175526286459396","address_version":"morton4x16-v1","coordinates":[0,20,19585,58368],"answer_status":"Directory metadata; local answer requires separate source review","truth_status":"Subject descriptor, not a factual answer or a demonstrated knowledge gap","reviewed_answer":null}