Thomsen Round Barn | |
| Location | Off Iowa Highway 15 |
|---|---|
| Nearest city | Armstrong, Iowa |
| Coordinates | 43°20′46″N94°29′52″W / 43.34611°N 94.49778°W |
| Area | less than one acre |
| Built | 1912 |
| MPS | Iowa Round Barns: The Sixty Year Experiment TR |
| NRHP reference No. | 86001426 [1] |
| Added to NRHP | June 30, 1986 |
The Thomsen Round Barn was an historical building located near Armstrong in rural Emmet County, Iowa, United States. It was built in 1912 as a dairy barn. [2] The building is a true round barn that measures 65 feet (20 m) in diameter. [3] The first floor is constructed of concrete and the second floor consists of white vertical siding. It features a two-pitch conical roof, and a 16-foot (4.9 m) central silo. [3] The barn was listed on the National Register of Historic Places since 1986. [1] As of July 21, 2014 it is no longer standing. [3]