{"id":"S85063317","label":"Hydraulic fracturing","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85063317","normalized_label":"hydraulic fracturing","broader":["http://id.loc.gov/authorities/subjects/sh85063305","http://id.loc.gov/authorities/subjects/sh85114673"],"aliases":["Fracking (Engineering)","Fracturing, Hydraulic","Hydrofracking"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85063317","provider":"lcsh","revision":"8c3b55b5fd850af5","taxonomy_revision":"f050b5d4780b1289","title":"Hydraulic fracturing","url":"/topics/S85063317","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"866956415607390784","address_version":"morton4x16-v1","coordinates":[0,20,18394,21504],"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}