{"id":"S85063977","label":"Ice breaking operations","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85063977","normalized_label":"ice breaking operations","broader":["http://id.loc.gov/authorities/subjects/sh85064002"],"aliases":["Icebreaking operations"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85063977","provider":"lcsh","revision":"ba94bd10e9530fa5","taxonomy_revision":"f050b5d4780b1289","title":"Ice breaking operations","url":"/topics/S85063977","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9547644697367938560","address_version":"morton4x16-v1","coordinates":[0,20,18404,41984],"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}