{"id":"S85041970","label":"Electric railroads--Switches","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85041970","normalized_label":"electric railroads--switches","broader":["http://id.loc.gov/authorities/subjects/sh85111050"],"aliases":["Switches, Electric railroad"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85041970","provider":"lcsh","revision":"40f3815c4f2317a3","taxonomy_revision":"f050b5d4780b1289","title":"Electric railroads--Switches","url":"/topics/S85041970","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088208576796575232","address_version":"morton4x16-v1","coordinates":[0,20,18060,51200],"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}