U.S. Post Office and Courthouse - Credit: Wikimedia Commons
The United States Post Office and Courthouse, Dubuque, Iowa is a courthouse of the United States District Court for the Northern District of Iowa located in Dubuque, Iowa. Completed in 1934, it was listed in the National Register of Historic Places in 1985. It is a contributing resource within the Cathedral Historic District. Read more on Wikipedia
Source: en.wikipedia.org