{"id":"S86001942","label":"Channels (Structural members)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh86001942","normalized_label":"channels (structural members)","broader":["http://id.loc.gov/authorities/subjects/sh85129203"],"aliases":["Channel iron"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh86001942","provider":"lcsh","revision":"d6642e23bd270b07","taxonomy_revision":"f050b5d4780b1289","title":"Channels (Structural members)","url":"/topics/S86001942","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"5190539325217048064","address_version":"morton4x16-v1","coordinates":[0,20,33060,22528],"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}