{"id":"S85053234","label":"Natural gas pipelines--Communication systems","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85053234","normalized_label":"natural gas pipelines--communication systems","broader":[],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85053234","provider":"lcsh","revision":"47b14fb738f5623a","taxonomy_revision":"f050b5d4780b1289","title":"Natural gas pipelines--Communication systems","url":"/topics/S85053234","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088208592907159040","address_version":"morton4x16-v1","coordinates":[0,20,18236,51200],"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}