{"id":"S85027344","label":"Coal-fired furnaces","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85027344","normalized_label":"coal-fired furnaces","broader":["http://id.loc.gov/authorities/subjects/sh85052511"],"aliases":["Coal-burning furnaces"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85027344","provider":"lcsh","revision":"1314cd3029a28762","taxonomy_revision":"f050b5d4780b1289","title":"Coal-fired furnaces","url":"/topics/S85027344","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864695544759599616","address_version":"morton4x16-v1","coordinates":[0,20,17832,16384],"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}