{"id":"S85122498","label":"Silica fume","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85122498","normalized_label":"silica fume","broader":["http://id.loc.gov/authorities/subjects/sh85122495"],"aliases":["Fume, Silica"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85122498","provider":"lcsh","revision":"8cdf3dc9bfd6c25d","taxonomy_revision":"f050b5d4780b1289","title":"Silica fume","url":"/topics/S85122498","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"288441774513718852","address_version":"morton4x16-v1","coordinates":[0,20,19319,2048],"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}