{"id":"S85027364","label":"Coal mines and mining","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85027364","normalized_label":"coal mines and mining","broader":["http://id.loc.gov/authorities/subjects/sh85043141","http://id.loc.gov/authorities/subjects/sh85085614"],"aliases":["Coal mining","Collieries"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85027364","provider":"lcsh","revision":"5b17acef5c82c673","taxonomy_revision":"f050b5d4780b1289","title":"Coal mines and mining","url":"/topics/S85027364","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513858629124637184","address_version":"morton4x16-v1","coordinates":[0,20,17832,36864],"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}