{"id":"S85111081","label":"Unit trains","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85111081","normalized_label":"unit trains","broader":["http://id.loc.gov/authorities/subjects/sh85111077"],"aliases":["Railroads--Unit trains"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85111081","provider":"lcsh","revision":"b92b001b7f13fb81","taxonomy_revision":"f050b5d4780b1289","title":"Unit trains","url":"/topics/S85111081","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547710650881541632","address_version":"morton4x16-v1","coordinates":[0,20,19140,41984],"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}