{"id":"S2009103345","label":"Environmental protection--Cost effectiveness","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009103345","normalized_label":"environmental protection--cost effectiveness","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009103345","provider":"lcsh","revision":"bb6ce24a51273746","taxonomy_revision":"f050b5d4780b1289","title":"Environmental protection--Cost effectiveness","url":"/topics/S2009103345","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9799841612736652902","address_version":"morton4x16-v1","coordinates":[0,479,495,50176],"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}