{"id":"S2004014911","label":"Coal mines and mining, Prehistoric","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2004014911","normalized_label":"coal mines and mining, prehistoric","broader":[],"aliases":["Prehistoric coal mines and mining"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2004014911","provider":"lcsh","revision":"77e25a902cc1a694","taxonomy_revision":"f050b5d4780b1289","title":"Coal mines and mining, Prehistoric","url":"/topics/S2004014911","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14738249984181167618","address_version":"morton4x16-v1","coordinates":[0,477,52060,64512],"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}