{"id":"S85104137","label":"Polar regions--Aerial exploration","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85104137","normalized_label":"polar regions--aerial exploration","broader":["http://id.loc.gov/authorities/subjects/sh85001319"],"aliases":["Polar flights"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85104137","provider":"lcsh","revision":"dd6d2370ca3a04c3","taxonomy_revision":"f050b5d4780b1289","title":"Polar regions--Aerial exploration","url":"/topics/S85104137","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324338612953301504","address_version":"morton4x16-v1","coordinates":[0,20,19032,9216],"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}