# Proving grounds, American

{
  "id": "S85108018",
  "title": "Proving grounds, American",
  "url": "/topics/S85108018",
  "kind": "topic-directory",
  "aeo_cohort": "topic-directory",
  "provider": "lcsh",
  "revision": "0be348e3615e7760",
  "catalogue_revision": "f050b5d4780b1289",
  "numeric_address": "10088274547494487552",
  "address_version": "morton4x16-v1",
  "coordinates": [
    0,
    20,
    19092,
    51200
  ],
  "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 American proving grounds outside the United States. Works on proving grounds within the United States are entered under [Proving grounds] with local subdivision.

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

Source: https://id.loc.gov/authorities/subjects/sh85108018

No owner-reviewed local answer yet.