- Which district has the largest average farm size In Iowa? Explain how you know which district that is.
- Look at the map, "Number of Farms and Average Farm Size, Iowa: 1950-2014." How did the size of Iowa farms change from 1932 to 1950?
"Average farm size: average size of farms by district, 1932," Iowa State Planning Board, 1933. Courtesy of University of Iowa Library and Archives