{"id":"S85030715","label":"Concrete dams","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85030715","normalized_label":"concrete dams","broader":["http://id.loc.gov/authorities/subjects/sh2004004526","http://id.loc.gov/authorities/subjects/sh85035582"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85030715","provider":"lcsh","revision":"cacf2c1fc84204cb","taxonomy_revision":"f050b5d4780b1289","title":"Concrete dams","url":"/topics/S85030715","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10124245912277894656","address_version":"morton4x16-v1","coordinates":[0,20,17884,60416],"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}