Caleb Winholtz was active/lived in Minnesota. Caleb Winholtz is known for surreal landscape.
Biography Caleb Winholtz
A Minnesota painter, Caleb Winholtz exhibited at the Salons of America and the Art Institute of Chicago in the 1920s and 1930s.
Peter Falk, "Who Was Who in American Art"
Treadway Toomey Galleries