{"id":"S90002779","label":"Formations (Geology)--Michigan","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh90002779","normalized_label":"formations (geology)--michigan","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh90002779","provider":"lcsh","revision":"66e7121dd94dd6d0","taxonomy_revision":"f050b5d4780b1289","title":"Formations (Geology)--Michigan","url":"/topics/S90002779","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"920014172765685254","address_version":"morton4x16-v1","coordinates":[0,21,30037,27648],"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}