{"id":"S85144252","label":"Volcanic gases","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85144252","normalized_label":"volcanic gases","broader":["http://id.loc.gov/authorities/subjects/sh85053395","http://id.loc.gov/authorities/subjects/sh85144255"],"aliases":["Fumarolic gases"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85144252","provider":"lcsh","revision":"13f9cfb8dac46e98","taxonomy_revision":"f050b5d4780b1289","title":"Volcanic gases","url":"/topics/S85144252","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126418530074247744","address_version":"morton4x16-v1","coordinates":[0,20,19658,61440],"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}