{"id":"S85026334","label":"Civil engineering--Early works to 1850","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85026334","normalized_label":"civil engineering--early works to 1850","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85026334","provider":"lcsh","revision":"1db15d593e9e0e9b","taxonomy_revision":"f050b5d4780b1289","title":"Civil engineering--Early works to 1850","url":"/topics/S85026334","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903116879076672000","address_version":"morton4x16-v1","coordinates":[0,20,17816,30720],"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}