The Tonsfeldt Round Barn is a historic building located on the Plymouth County Fairgrounds in LeMars, Iowa, United States.

Tonsfeldt's purebread Polled Hereford cattle, and prize bull, on his farm west of the city.

[3] The barn features white horizontal siding, an aerator and a Gothic curved roof.

This article about a property in Plymouth County, Iowa on the National Register of Historic Places is a stub.

You can help Wikipedia by expanding it.This article about a building or structure in Iowa is a stub.