37 Important Facts About South Dakota

Last updated on April 3rd, 2020

References:

  1. https://www.history.com/topics/us-presidents/mount-rushmore-1
  2. https://en.wikipedia.org/wiki/Billy_Mills
  3. https://www.nobelprize.org/prizes/physics/1939/lawrence/biographical/
  4. https://cornpalace.com/149/Corn-Palace-History
  5. https://westernmininghistory.com/articles/185/page1/
  6. https://en.wikipedia.org/wiki/Homestake_Mine_(South_Dakota)
  7. https://en.wikipedia.org/wiki/Dakota_Territory
  8. https://en.wikipedia.org/wiki/Sue_(dinosaur)
  9. https://www.skyscrapercity.com/showthread.php?t=614595
  10. https://www.nps.gov/badl/learn/nature/butterflies.htm
  11. https://www.legendsofamerica.com/na-sioux/
  12. https://www.visitrapidcity.com/things-to-do/city-presidents
  13. https://www.atlasobscura.com/places/crazy-horse-memorial
  14. https://www.history.com/topics/us-states/south-dakota