Landscapes of the American Midwest. John Steuart Curry, painter (1897-1946). American Regionalism school.

"Wisconsin Landscape." 1938-39.
“Wisconsin Landscape.” 1938-39. Oil on canvas. Image © 2000–2019 The Metropolitan Museum of Art. Fair use license. via
"The Line Storm." 1935. Oil on panel.
“The Line Storm.” 1935. Oil on panel. In the public domain in the United States because the artist has been dead over 70 years. via https://commons.wikimedia.org/wiki/File:John_Steuart_Curry_-_The_Line_Storm.jpg
"Wisconsin Farm Scene." 1941. Oil on canvas.
John Steuart Curry’s “Wisconsin Farm Scene.” 1941. Oil on canvas. Collection of the Chazen Museum of Art, Madison. Fair use license. via http://kevernacular.com/?p=4365
“View of Madison with Rainbow,” 1937.
“View of Madison with Rainbow,” 1937. Oil on canvas. Kiechel Fine Art Collection. Fair use license. http://kevernacular.com/?p=4365