{"id":"S2016001899","label":"Austin Chalk Formation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2016001899","normalized_label":"austin chalk formation","broader":["http://id.loc.gov/authorities/subjects/sh2010002558","http://id.loc.gov/authorities/subjects/sh85054092"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2016001899","provider":"lcsh","revision":"a9011606bafe48c0","taxonomy_revision":"f050b5d4780b1289","title":"Austin Chalk Formation","url":"/topics/S2016001899","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13889255467624186884","address_version":"morton4x16-v1","coordinates":[0,480,42749,44032],"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}