{"id":"S2010001174","label":"Palynology--Oligocene","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2010001174","normalized_label":"palynology--oligocene","broader":["http://id.loc.gov/authorities/subjects/sh2010001175"],"aliases":["Oligocene Epoch"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2010001174","provider":"lcsh","revision":"c8f72e8342402978","taxonomy_revision":"f050b5d4780b1289","title":"Palynology--Oligocene","url":"/topics/S2010001174","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"598063967004681762","address_version":"morton4x16-v1","coordinates":[0,479,14524,22528],"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}