{"id":"S85027389","label":"Coal-mining machinery--Hydraulic drive","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85027389","normalized_label":"coal-mining machinery--hydraulic drive","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85027389","provider":"lcsh","revision":"78f107edffd1934c","taxonomy_revision":"f050b5d4780b1289","title":"Coal-mining machinery--Hydraulic drive","url":"/topics/S85027389","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126356974540046848","address_version":"morton4x16-v1","coordinates":[0,20,17832,62464],"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}