{"id":"S2009121419","label":"Conservation of natural resources--United States--History","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2009121419","normalized_label":"conservation of natural resources--united states--history","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2009121419","provider":"lcsh","revision":"12651e1673f2c964","taxonomy_revision":"f050b5d4780b1289","title":"Conservation of natural resources--United States--History","url":"/topics/S2009121419","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"36178631818633826","address_version":"morton4x16-v1","coordinates":[0,479,778,11264],"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}