{"id":"S92003468","label":"Soil crusting","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh92003468","normalized_label":"soil crusting","broader":["http://id.loc.gov/authorities/subjects/sh85124326","http://id.loc.gov/authorities/subjects/sh85124369"],"aliases":["Crust formation in soils","Crusting of soils","Sealing, Soil","Soil sealing"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh92003468","provider":"lcsh","revision":"3fdb68a6d51db6f6","taxonomy_revision":"f050b5d4780b1289","title":"Soil crusting","url":"/topics/S92003468","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"4956286448841392706","address_version":"morton4x16-v1","coordinates":[0,21,61298,12288],"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}