{"id":"S85064009","label":"Ice-wedge polygons","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85064009","normalized_label":"ice-wedge polygons","broader":["http://id.loc.gov/authorities/subjects/sh85098792"],"aliases":["Contraction-crack polygons"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85064009","provider":"lcsh","revision":"36fb53ba33ee07b0","taxonomy_revision":"f050b5d4780b1289","title":"Ice-wedge polygons","url":"/topics/S85064009","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"324272660513162756","address_version":"morton4x16-v1","coordinates":[0,20,18405,9216],"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}