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SOURCES – The secret bunkers hidden beneath Colorado’s mountains

The following sources were consulted in the preparation of the article “The secret bunkers hidden beneath Colorado’s mountains.”

  1. Cheyenne Mountain Complex
  2. NORAD–CONAD History 1966
  3. Beyond the Blast Doors 50 Years Later, Cheyenne Mountain Remains the Dragon That Never Sleeps
  4. Cheyenne Mountain exercises ‘button-up’
  5. Statement of Basis, Cheyenne Mountain Space Force Station
  6. Final Statement of Basis, Cheyenne Mountain Air Force Station, NPDES Permit CO0034762