{"id":"S85111025","label":"Railroads--Sand protection and removal","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85111025","normalized_label":"railroads--sand protection and removal","broader":["http://id.loc.gov/authorities/subjects/sh85110988"],"aliases":["Sand protection and removal for railroads"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85111025","provider":"lcsh","revision":"e4966f5d96a6b049","taxonomy_revision":"f050b5d4780b1289","title":"Railroads--Sand protection and removal","url":"/topics/S85111025","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"10088142606166000196","address_version":"morton4x16-v1","coordinates":[0,20,19139,50176],"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}