{"id":"S85032392","label":"Copper slag","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85032392","normalized_label":"copper slag","broader":["http://id.loc.gov/authorities/subjects/sh85123284"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85032392","provider":"lcsh","revision":"1adf5c9aeaec0746","taxonomy_revision":"f050b5d4780b1289","title":"Copper slag","url":"/topics/S85032392","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324263589542495812","address_version":"morton4x16-v1","coordinates":[0,20,17911,8192],"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}