{"id":"S2008117574","label":"Air--Pollution--United States","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008117574","normalized_label":"air--pollution--united states","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008117574","provider":"lcsh","revision":"1c1bfb7ac512ca1d","taxonomy_revision":"f050b5d4780b1289","title":"Air--Pollution--United States","url":"/topics/S2008117574","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4902313357408871972","address_version":"morton4x16-v1","coordinates":[0,478,50629,6144],"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}