{"id":"S85039559","label":"Drilling and boring machinery","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85039559","normalized_label":"drilling and boring machinery","broader":["http://id.loc.gov/authorities/subjects/sh85079344"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85039559","provider":"lcsh","revision":"ec0bb5b5c36bcf45","taxonomy_revision":"f050b5d4780b1289","title":"Drilling and boring machinery","url":"/topics/S85039559","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290636382542628420","address_version":"morton4x16-v1","coordinates":[0,20,18023,7168],"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}