Keywords: IA-MasonCity 1932 Ref.jpg en Mason City Iowa U S Post Office and Court House 1932 Completed in 1932 Supervising Architect James A Wetmore Building used by the U S District Court for the Northern District of Iowa Still in use as a post office National Archives RG 121-BS Box 31 Folder W available at http //www fjc gov/history/courthouses nsf/lookup/IA-MasonCity_1932_Ref jpg/ file/IA-MasonCity_1932_Ref jpg National Archives 1932 PD-USGov Federal courthouses in Iowa Mason City Iowa Former federal courthouses in the United States Post offices in Iowa Images from the US Federal Judicial Center database Black and white photographs of Iowa |