{"id":"S2016001899-781","label":"Austin Chalk Formation","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2016001899-781","normalized_label":"austin chalk formation","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2016001899-781","provider":"lcsh","revision":"6bf54650c25a3fc8","taxonomy_revision":"f050b5d4780b1289","title":"Austin Chalk Formation","url":"/topics/S2016001899-781","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13889256051739774084","address_version":"morton4x16-v1","coordinates":[0,480,42749,44814],"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}