{"id":"S2019103078","label":"Appalachian Development Highway System","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh2019103078","normalized_label":"appalachian development highway system","broader":["http://id.loc.gov/authorities/subjects/sh2020000614"],"aliases":["Appalachian Development System (Express highways)"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh2019103078","provider":"lcsh","revision":"3b4fe5b35d877bad","taxonomy_revision":"f050b5d4780b1289","title":"Appalachian Development Highway System","url":"/topics/S2019103078","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"9532013756094088198","address_version":"morton4x16-v1","coordinates":[0,481,25669,38912],"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}