{"id":"S85002828","label":"Airplanes--Ice prevention","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85002828","normalized_label":"airplanes--ice prevention","broader":["http://id.loc.gov/authorities/subjects/sh85001353","http://id.loc.gov/authorities/subjects/sh85064006"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85002828","provider":"lcsh","revision":"7f2b5df4997e6c50","taxonomy_revision":"f050b5d4780b1289","title":"Airplanes--Ice prevention","url":"/topics/S85002828","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326515371035214340","address_version":"morton4x16-v1","coordinates":[0,20,17449,12288],"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}