Woman milking a cow in the arena at the 1940 Little International Exposition at South Dakota State College.

Women participants in the cow milking contest in the arena at the 1946 Little International Exposition at South Dakota State College.

Women is milking a cow in the arena at the 1947 Little International Exposition at South Dakota State College.

Two women stand behind a dairy cow while another women is seated on a stool milking the cow during the 1964 Little International Agricultural Exposition at South Dakota State University.