{"id":"S85090429","label":"Navigation--Safety measures","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85090429","normalized_label":"navigation--safety measures","broader":[],"aliases":["Marine safety"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85090429","provider":"lcsh","revision":"6349934aa41736c2","taxonomy_revision":"f050b5d4780b1289","title":"Navigation--Safety measures","url":"/topics/S85090429","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10126422945233502724","address_version":"morton4x16-v1","coordinates":[0,20,18817,62464],"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}