{"id":"S85030699","label":"Concrete beams","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85030699","normalized_label":"concrete beams","broader":["http://id.loc.gov/authorities/subjects/sh85030740","http://id.loc.gov/authorities/subjects/sh85055003"],"aliases":["Beams, Concrete","Concrete girders","Reinforced concrete beams"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85030699","provider":"lcsh","revision":"d6707995d29fecfa","taxonomy_revision":"f050b5d4780b1289","title":"Concrete beams","url":"/topics/S85030699","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547785159974471168","address_version":"morton4x16-v1","coordinates":[0,20,17884,44032],"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}