{"id":"S2004006967","label":"Water acidification","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2004006967","normalized_label":"water acidification","broader":["http://id.loc.gov/authorities/subjects/sh86001947"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2004006967","provider":"lcsh","revision":"3fb313ad4a62ee77","taxonomy_revision":"f050b5d4780b1289","title":"Water acidification","url":"/topics/S2004006967","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"14702221171059991042","address_version":"morton4x16-v1","coordinates":[0,477,51936,56320],"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}