The Holtkamp Round Barn (which was built in 1918) is a historic building located near Salem in rural Henry County, Iowa, United States, and has been listed on the National Register of Historic Places since 1986.
It was built in 1918 by its first owner B.J. The Holtkamp Round Barn is an historic building located near Salem in rural Henry County, Iowa, United States. June 30, 1986 
