{"id":"S85046417","label":"Expansive concrete","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85046417","normalized_label":"expansive concrete","broader":["http://id.loc.gov/authorities/subjects/sh85030668"],"aliases":["Concrete, Expanding","Concrete, Expansive","Concrete, Self-stressed","Expanding concrete","Self-stressed concrete"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85046417","provider":"lcsh","revision":"4becc1046c307af2","taxonomy_revision":"f050b5d4780b1289","title":"Expansive concrete","url":"/topics/S85046417","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864704598613819968","address_version":"morton4x16-v1","coordinates":[0,20,18130,17408],"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}