Keep Out On: May 13, 2021January 5, 2021 By: Romeyn 0 (0) Billboard warning those trying to escape to California from the ravages of the Dust Bowl that they are not welcome. c1935 How useful was this post? Click on a star to rate it! Submit Rating Average rating 0 / 5. Vote count: 0 No votes so far! Be the first to rate this post. Share this:XFacebookTumblrRedditEmailPrint