Found on a site dedicated to Valley National Bank photos.
Thursday, February 11, 2010
Click on 'mining towns' for Ajo. Then roll your cursor over the 'THEN' image to reveal the exact location as it is 'NOW'. http://www.azpbs.org/arizonastories/thenandnow.php
Sunday, February 7, 2010
Found this link online. There's a short video on the website as well. See below.