{"id":"S2001009884-781","label":"Ontario--Trent-Severn Waterway National Historic Site","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2001009884-781","normalized_label":"ontario--trent-severn waterway national historic site","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2001009884-781","provider":"lcsh","revision":"2cee12416825b21c","taxonomy_revision":"f050b5d4780b1289","title":"Ontario--Trent-Severn Waterway National Historic Site","url":"/topics/S2001009884-781","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"615868135522085574","address_version":"morton4x16-v1","coordinates":[0,477,5107,29454],"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}