{"id":"S85111024","label":"Railroads--Safety regulations","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85111024","normalized_label":"railroads--safety regulations","broader":["http://id.loc.gov/authorities/subjects/sh85110879"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85111024","provider":"lcsh","revision":"fc0a607d8ec15b69","taxonomy_revision":"f050b5d4780b1289","title":"Railroads--Safety regulations","url":"/topics/S85111024","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088133810072977988","address_version":"morton4x16-v1","coordinates":[0,20,19139,49152],"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}