Library Hall in <a href="https://en.wikipedia.org/wiki/en:Altona,_Illinois" class="extiw" title="w:en:Altona, Illinois">Altona, Illinois</a>.  Photograph taken June 4, 2006 by <a href="//commons.wikimedia.org/wiki/User:Kelly_Martin" title="User:Kelly Martin">Kelly Martin</a>.
No machine-readable author provided. <a href="//commons.wikimedia.org/wiki/User:Kelly_Martin" title="User:Kelly Martin">Kelly Martin</a> assumed (based on copyright claims).
CC BY-SA 3.0
No machine-readable source provided. Own work assumed (based on copyright claims).