{"id":"S86000942","label":"Carbon steel industry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh86000942","normalized_label":"carbon steel industry","broader":["http://id.loc.gov/authorities/subjects/sh85127829"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh86000942","provider":"lcsh","revision":"3bed06dfd51b221a","taxonomy_revision":"f050b5d4780b1289","title":"Carbon steel industry","url":"/topics/S86000942","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13873479406783432192","address_version":"morton4x16-v1","coordinates":[0,20,33044,47104],"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}