{"id":"S85110738","label":"Radioisotopes in hydraulic engineering","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85110738","normalized_label":"radioisotopes in hydraulic engineering","broader":["http://id.loc.gov/authorities/subjects/sh85063306","http://id.loc.gov/authorities/subjects/sh85110715"],"aliases":[],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85110738","provider":"lcsh","revision":"d3e2a0a1b1eb92f0","taxonomy_revision":"f050b5d4780b1289","title":"Radioisotopes in hydraulic engineering","url":"/topics/S85110738","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864902510643922500","address_version":"morton4x16-v1","coordinates":[0,20,19135,18432],"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}