# Groundwater { "id": "S85145514", "title": "Groundwater", "url": "/topics/S85145514", "kind": "topic-directory", "aeo_cohort": "topic-directory", "provider": "lcsh", "revision": "0cb3c3eb0c351fd6", "catalogue_revision": "f050b5d4780b1289", "numeric_address": "9547846715445757504", "address_version": "morton4x16-v1", "coordinates": [ 0, 20, 19678, 43008 ], "answer_status": "Directory metadata; local answer requires separate source review", "truth_status": "Subject descriptor, not a factual answer or a demonstrated knowledge gap" } Here are entered works on water contained in aquifers. Works on the geology of water-bearing strata are entered under [Aquifers.] Directory metadata is not a factual answer or evidence of a global knowledge gap. Source: https://id.loc.gov/authorities/subjects/sh85145514 No owner-reviewed local answer yet.