{"id":"S85122495","label":"Silica","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85122495","normalized_label":"silica","broader":["http://id.loc.gov/authorities/subjects/sh85096314","http://id.loc.gov/authorities/subjects/sh85122521"],"aliases":["Silicon dioxide"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85122495","provider":"lcsh","revision":"6c117248f48704ee","taxonomy_revision":"f050b5d4780b1289","title":"Silica","url":"/topics/S85122495","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126563956597589568","address_version":"morton4x16-v1","coordinates":[0,20,19318,64512],"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}