Great Plains · 1 field file

Current field files in Oklahoma.

The Atlas is curated, not exhaustive. These are the sourced files in Oklahoma in Volume 01, each with its own access status, evidence label, and check date. Nothing here is statewide travel advice.

Category coverage
Public-access summary
Oklahoma City National Memorial: Outdoor memorial and museum.
Last content review
Catalog reviewed July 2026. Each file carries its own source-check date. Conditions change; check the primary source before traveling.

Field files

Across the line

Files in other states within 200 straight-line miles of a Oklahoma file. Distances are not drive distances.

  1. MilitaryFort Smith, AR174 mi straight line

    Fort Smith National Historic Site

    A former frontier fort, federal courthouse, and jail complex tied to the expansion of federal law into Indian Territory.

    DocumentedPublicCheck the source1 to 3 hoursChecked July 2026
  2. UndergroundHutchinson, KS180 mi straight line

    Strataca

    A museum 650 feet below ground inside a working salt deposit, reached by a controlled mine descent.

    DocumentedTicketedTicketed2 to 3 hoursChecked July 2026

Official sources used in Oklahoma

Also in Great Plains: Kansas, Nebraska, North Dakota, South Dakota.