Note: this post was how I credited the source for the header image for the blog I had at that time, which was a cropped version of this image.

Image from Flickr under a Creative Commons license. Full credit:

Minnesota Highway, 1934
Erle Loran, Born: Minneapolis, Minnesota 1905 Died: Berkeley, California 1999
oil on canvas 30 1/8 x 36 in. (76.5 x 91.5 cm.)
Smithsonian American Art Museum
Transfer from the U.S. Department of Labor 1964.1.104