{"id":"S85092298","label":"Nonferrous metals","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85092298","normalized_label":"nonferrous metals","broader":["http://id.loc.gov/authorities/subjects/sh85084167"],"aliases":["Rare metals"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85092298","provider":"lcsh","revision":"c6ed7b1bb70bff09","taxonomy_revision":"f050b5d4780b1289","title":"Nonferrous metals","url":"/topics/S85092298","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324470297657230916","address_version":"morton4x16-v1","coordinates":[0,20,18847,10240],"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}