{"id":"S2010109483","label":"Railroads--Rolling stock--United States","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2010109483","normalized_label":"railroads--rolling stock--united states","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2010109483","provider":"lcsh","revision":"cb58f0d1b7d1fc02","taxonomy_revision":"f050b5d4780b1289","title":"Railroads--Rolling stock--United States","url":"/topics/S2010109483","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9278765733947793954","address_version":"morton4x16-v1","coordinates":[0,479,16216,44032],"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}