[2] The brothers were partners in a farming operation left to them in their father's estate.

Their father, Cornelius Dunham, had been one of the original settlers in Crawford County, Iowa in 1849.

Dunham continued to operate the farm where he specialized in raising Shorthorn cattle and Poland China hogs.

The barn represents the period of large scale beef production, and its importance to the local economy.

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