{"id":"S2008009516","label":"Volcanology","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2008009516","normalized_label":"volcanology","broader":["http://id.loc.gov/authorities/subjects/sh85054037"],"aliases":["Volcanic geology","Volcanics","Vulcanology"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2008009516","provider":"lcsh","revision":"9059fdaa8edf4d2a","taxonomy_revision":"f050b5d4780b1289","title":"Volcanology","url":"/topics/S2008009516","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13892554018544313888","address_version":"morton4x16-v1","coordinates":[0,478,48940,45056],"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}