{"id":"S85027379","label":"Coal mines and mining--Safety regulations","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85027379","normalized_label":"coal mines and mining--safety regulations","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85027379","provider":"lcsh","revision":"679e608722a241e8","taxonomy_revision":"f050b5d4780b1289","title":"Coal mines and mining--Safety regulations","url":"/topics/S85027379","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088217115195752960","address_version":"morton4x16-v1","coordinates":[0,20,17832,52224],"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}