{"id":"S85054087","label":"Geology, Stratigraphic--Proterozoic","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85054087","normalized_label":"geology, stratigraphic--proterozoic","broader":["http://id.loc.gov/authorities/subjects/sh85054110"],"aliases":["Agnotozoic","Algonkian","Geology, Stratigraphic--Algonkian","Proterozoic Era"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85054087","provider":"lcsh","revision":"90472102277d323f","taxonomy_revision":"f050b5d4780b1289","title":"Geology, Stratigraphic--Proterozoic","url":"/topics/S85054087","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"290636399718318656","address_version":"morton4x16-v1","coordinates":[0,20,18250,7168],"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}