{"id":"S85006477","label":"Arc measures","description":"Here are entered accounts of measurements of an arc of the Earth's surface, whether meridian, parallel or oblique.","source_url":"https://id.loc.gov/authorities/subjects/sh85006477","normalized_label":"arc measures","broader":["http://id.loc.gov/authorities/subjects/sh85053969"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85006477","provider":"lcsh","revision":"f7257654e2fe84e9","taxonomy_revision":"f050b5d4780b1289","title":"Arc measures","url":"/topics/S85006477","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"326524167195329088","address_version":"morton4x16-v1","coordinates":[0,20,17506,13312],"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}