{"id":"S95006639","label":"Structural iron industry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh95006639","normalized_label":"structural iron industry","broader":["http://id.loc.gov/authorities/subjects/sh85017750","http://id.loc.gov/authorities/subjects/sh85068196"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh95006639","provider":"lcsh","revision":"79256965aa1274af","taxonomy_revision":"f050b5d4780b1289","title":"Structural iron industry","url":"/topics/S95006639","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13891507258208437856","address_version":"morton4x16-v1","coordinates":[0,22,42686,48128],"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}