Additional Web Resources:

• Barbara McClintock’s ancestors established a farm through the Homestead Act of 1862. Learn more about the Homestead Act through these links:
  
  www.nps.gov/home
  
  www.archives.gov/education/lessons/homestead-act
  
  Homestead Act Commemorative Stamp:
  
  www.lib.ndsu.nodak.edu/ndirs/exhibitions/pioneer/camera/240.htm
• Settlers in the prairies often built sod houses by cutting blocks of the prairie soil, which was held together by the strong root systems of the tall grasses that grow there. Learn more about sod houses and see photos of many examples of these houses at this link:
  
  www.lib.ndsu.nodak.edu/ndirs/exhibitions/pioneer/camera/sod.htm
• Barbara McClintock’s Norwegian ancestors settled in North Dakota and built a sod house prior to building the clapboard farmhouse pictured in her illustration. This link shows a Norwegian postage stamp to commemorate the sesquicentennial of Norwegian immigration to America, 1975. Note the sod house on the stamp:
  
  www.lib.ndsu.nodak.edu/ndirs/exhibitions/pioneer/camera/240a.htm
• Laura Ingalls Wilder made prairie life well known in her books. View the homestead case files of her father, Charles P. Ingalls, at the following link:
  
  www.archives.gov/education/history-day/migration-history/homestead-files.html#ingalls