# Gases--Migration

{
  "id": "S2012000036",
  "title": "Gases--Migration",
  "url": "/topics/S2012000036",
  "kind": "topic-directory",
  "aeo_cohort": "topic-directory",
  "provider": "lcsh",
  "revision": "61bb5177cd935917",
  "catalogue_revision": "f050b5d4780b1289",
  "numeric_address": "13856450438628795938",
  "address_version": "morton4x16-v1",
  "coordinates": [
    0,
    479,
    45756,
    36864
  ],
  "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 the movement of underground gases from a natural source or engineered storage and barrier system upward toward the surface of the Earth. Works on the movement of a gas through closed or open channels or conduits are entered under [Gas flow.]

Directory metadata is not a factual answer or evidence of a global knowledge gap.

Source: https://id.loc.gov/authorities/subjects/sh2012000036

No owner-reviewed local answer yet.