{"id":"S93003435","label":"Rietvlei Formation (South Africa)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh93003435","normalized_label":"rietvlei formation (south africa)","broader":["http://id.loc.gov/authorities/subjects/sh85054093","http://id.loc.gov/authorities/subjects/sh90000358"],"aliases":["Rietvlei Sandstone (South Africa)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh93003435","provider":"lcsh","revision":"96c30b0a50f29dcf","taxonomy_revision":"f050b5d4780b1289","title":"Rietvlei Formation (South Africa)","url":"/topics/S93003435","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9277639532827001440","address_version":"morton4x16-v1","coordinates":[0,22,11386,44032],"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}