{"id":"S85100420","label":"Petroleum chemicals industry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85100420","normalized_label":"petroleum chemicals industry","broader":["http://id.loc.gov/authorities/subjects/sh85022913","http://id.loc.gov/authorities/subjects/sh85100430"],"aliases":["Petrochemical industry"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85100420","provider":"lcsh","revision":"c8b539c8d7bd226e","taxonomy_revision":"f050b5d4780b1289","title":"Petroleum chemicals industry","url":"/topics/S85100420","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290552819587892800","address_version":"morton4x16-v1","coordinates":[0,20,18974,4096],"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}