{"id":"S2010105950","label":"Pollution control industry--United States","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2010105950","normalized_label":"pollution control industry--united states","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2010105950","provider":"lcsh","revision":"d586284ae7bf65df","taxonomy_revision":"f050b5d4780b1289","title":"Pollution control industry--United States","url":"/topics/S2010105950","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"634097453053911590","address_version":"morton4x16-v1","coordinates":[0,479,16161,30720],"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}