{"id":"S85110939","label":"Railroads--Design and construction--Subcontracting","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110939","normalized_label":"railroads--design and construction--subcontracting","broader":["http://id.loc.gov/authorities/subjects/sh85129415"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110939","provider":"lcsh","revision":"ada0572491a425db","taxonomy_revision":"f050b5d4780b1289","title":"Railroads--Design and construction--Subcontracting","url":"/topics/S85110939","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"900940103818543680","address_version":"morton4x16-v1","coordinates":[0,20,19138,27648],"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}