{"id":"S85139614","label":"Underwater concrete construction","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85139614","normalized_label":"underwater concrete construction","broader":["http://id.loc.gov/authorities/subjects/sh85030704","http://id.loc.gov/authorities/subjects/sh85112451","http://id.loc.gov/authorities/subjects/sh85139615"],"aliases":["Concrete construction, Submarine","Subaqueous concrete construction","Submarine concrete construction"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85139614","provider":"lcsh","revision":"181f5fbada26efda","taxonomy_revision":"f050b5d4780b1289","title":"Underwater concrete construction","url":"/topics/S85139614","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"903187230640702016","address_version":"morton4x16-v1","coordinates":[0,20,19586,30720],"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}