In the above photo, Jack Delano captured the clouds hovering above farms near Caribou, Aroostook County, Maine. (Click on the image to view a bigger picture.) I used to live in Caribou and can report that it hasn't changed much since this photo was taken.
You can read more in an article by Christine Roberts in the New York Daily News at http://goo.gl/n7zcG.
The 1,600 color photographs are available at http://goo.gl/kpL8D.
My thanks to newsletter reader Larry Head for telling me about the photos.