{"id":"S87001197","label":"Blackleaf Formation (Mont.)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh87001197","normalized_label":"blackleaf formation (mont.)","broader":["http://id.loc.gov/authorities/subjects/sh85054092","http://id.loc.gov/authorities/subjects/sh86004192"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh87001197","provider":"lcsh","revision":"0a625dcfe5f70b93","taxonomy_revision":"f050b5d4780b1289","title":"Blackleaf Formation (Mont.)","url":"/topics/S87001197","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"13892562788297081348","address_version":"morton4x16-v1","coordinates":[0,20,48673,46080],"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}