{"id":"S85124370","label":"Soil piping (Hydrology)","description":"","source_url":"https://id.loc.gov/authorities/subjects/sh85124370","normalized_label":"soil piping (hydrology)","broader":["http://id.loc.gov/authorities/subjects/sh85063458","http://id.loc.gov/authorities/subjects/sh85124341"],"aliases":["Piping, Soil (Hydrology)","Soil pipes (Hydrology)","Tunneling erosion"],"source_identifier":"http://id.loc.gov/authorities/subjects/sh85124370","provider":"lcsh","revision":"c110c25949d1bc57","taxonomy_revision":"f050b5d4780b1289","title":"Soil piping (Hydrology)","url":"/topics/S85124370","kind":"topic-directory","aeo_cohort":"topic-directory","catalogue_revision":"f050b5d4780b1289","numeric_address":"864902527819580928","address_version":"morton4x16-v1","coordinates":[0,20,19348,18432],"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}