{"id":"S2022006742","label":"Martian bases","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2022006742","normalized_label":"martian bases","broader":["http://id.loc.gov/authorities/subjects/sh85046591"],"aliases":["Mars bases","Mars settlements","Martian settlements"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2022006742","provider":"lcsh","revision":"d50b640abb534770","taxonomy_revision":"f050b5d4780b1289","title":"Martian bases","url":"/topics/S2022006742","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"579983613972726884","address_version":"morton4x16-v1","coordinates":[0,482,5503,22528],"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}