{"id":"S85111007","label":"Railroad rails","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85111007","normalized_label":"railroad rails","broader":["http://id.loc.gov/authorities/subjects/sh85111063"],"aliases":["Railroads--Rails","Rails, Railroad"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85111007","provider":"lcsh","revision":"bae55c4506cf6c25","taxonomy_revision":"f050b5d4780b1289","title":"Railroad rails","url":"/topics/S85111007","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903191903632228932","address_version":"morton4x16-v1","coordinates":[0,20,19139,31744],"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}