{"id":"S2009005006","label":"Railroad tunnels--Austria","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009005006","normalized_label":"railroad tunnels--austria","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009005006","provider":"lcsh","revision":"848cd824790cfe2f","taxonomy_revision":"f050b5d4780b1289","title":"Railroad tunnels--Austria","url":"/topics/S2009005006","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4957548698423944804","address_version":"morton4x16-v1","coordinates":[0,478,64495,14336],"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}