{"id":"S85100469","label":"Petroleum workers","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85100469","normalized_label":"petroleum workers","broader":["http://id.loc.gov/authorities/subjects/sh85094339"],"aliases":["Oil field workers","Oil workers","Petroleum industry and trade--Employees"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85100469","provider":"lcsh","revision":"583c3fbcab004b23","taxonomy_revision":"f050b5d4780b1289","title":"Petroleum workers","url":"/topics/S85100469","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10090394404839114304","address_version":"morton4x16-v1","coordinates":[0,20,18974,54272],"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}