{"id":"S85097043","label":"Paleobotany--Pennsylvanian","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85097043","normalized_label":"paleobotany--pennsylvanian","broader":["http://id.loc.gov/authorities/subjects/sh85097028"],"aliases":["Pennsylvanian Period","Upper Carboniferous Period"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85097043","provider":"lcsh","revision":"841fa19b7c625df1","taxonomy_revision":"f050b5d4780b1289","title":"Paleobotany--Pennsylvanian","url":"/topics/S85097043","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864911049105752580","address_version":"morton4x16-v1","coordinates":[0,20,18921,19456],"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}