{"id":"S85130335","label":"Sulfate-resistant concrete","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85130335","normalized_label":"sulfate-resistant concrete","broader":["http://id.loc.gov/authorities/subjects/sh85030647"],"aliases":["Sulphate-resistant concrete"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85130335","provider":"lcsh","revision":"bf23c99b9fa84fee","taxonomy_revision":"f050b5d4780b1289","title":"Sulfate-resistant concrete","url":"/topics/S85130335","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903191920816554500","address_version":"morton4x16-v1","coordinates":[0,20,19441,31744],"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}