From the record
“Memorial Building, also known as Dyersville City Hall, is a historic building located in Dyersville, Iowa, United States. When this structure was completed in 1929 it housed the following functions: police department, fire department, municipal offices, post office, library, community hall, and gymnasium.”
Wikipedia article Memorial Building (Dyersville, Iowa), CC BY-SA 4.0.
One of 84 National Register listings published here for Dubuque County · listed in 2013 · category: Building.
Sources: the Wikipedia article · the National Register database, National Park Service · the Wikipedia article