{"id":"S85068490","label":"Island arcs","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85068490","normalized_label":"island arcs","broader":["http://id.loc.gov/authorities/subjects/sh85068496"],"aliases":["Volcanic arcs"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85068490","provider":"lcsh","revision":"867341828ce8a0f9","taxonomy_revision":"f050b5d4780b1289","title":"Island arcs","url":"/topics/S85068490","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324470279407551044","address_version":"morton4x16-v1","coordinates":[0,20,18475,10240],"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}