{"id":"S2009113477","label":"Acid rain--Environmental aspects","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009113477","normalized_label":"acid rain--environmental aspects","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009113477","provider":"lcsh","revision":"d977a73446b474f3","taxonomy_revision":"f050b5d4780b1289","title":"Acid rain--Environmental aspects","url":"/topics/S2009113477","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"2260881018873442","address_version":"morton4x16-v1","coordinates":[0,479,654,5120],"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}