{"id":"S85099979","label":"Perlite industry","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85099979","normalized_label":"perlite industry","broader":["http://id.loc.gov/authorities/subjects/sh86000075"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85099979","provider":"lcsh","revision":"a7d24c49f0ff7547","taxonomy_revision":"f050b5d4780b1289","title":"Perlite industry","url":"/topics/S85099979","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324479350374532676","address_version":"morton4x16-v1","coordinates":[0,20,18967,11264],"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}