{"id":"S85058853","label":"Harbors--Traffic control","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85058853","normalized_label":"harbors--traffic control","broader":["http://id.loc.gov/authorities/subjects/sh85042406"],"aliases":["Ship traffic control","Traffic control in harbors","Vessel traffic control"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85058853","provider":"lcsh","revision":"f9db72af73fc5d4a","taxonomy_revision":"f050b5d4780b1289","title":"Harbors--Traffic control","url":"/topics/S85058853","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9513867700091618816","address_version":"morton4x16-v1","coordinates":[0,20,18324,37888],"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}