The Round Barn, Cooper Township is a historic building located in Cooper Township southwest of Mapleton in rural

Monona County, Iowa Monona County is a county located in the U.S. state of Iowa. As of the 2020 census, the population was 8,751. The county seat is Onawa. History The area around present-day Onawa was a stopping point in 1804 for Meriwether Lewis and William ...

, United States. It was built in 1921 by Seth Smith. An auctioneer had this barn built to sell his purebred cattle. with a The building is a true

round barn A round barn is a historic barn design that could be octagonal, polygonal, or circular in plan. Though round barns were not as popular as some other barn designs, their unique shape makes them noticeable. The years from 1880 to 1920 represent ...

that measures in diameter. The barn features white vertical siding, a

conical roof A conical roof or cone roof is a cone-shaped roof that is circular at its base and terminates in a point. Distribution Conical roofs are frequently found on top of towers in medieval town fortifications and castles, where they may either sit d ...

, and an aerator. It has been listed on the

National Register of Historic Places The National Register of Historic Places (NRHP) is the Federal government of the United States, United States federal government's official United States National Register of Historic Places listings, list of sites, buildings, structures, Hist ...

since 1986.

References

Buildings and structures completed in 1921 Buildings and structures in Monona County, Iowa Barns on the National Register of Historic Places in Iowa Round barns in Iowa National Register of Historic Places in Monona County, Iowa {{Iowa-struct-stub