USDA National Agricultural Statistics Service / Iowa Department of Agriculture / Southwest Appanoose Clarke Decatur Lucas Madison Marion Monroe Ringgold Union / /
Person
Benton Cedar / Henry Jefferson Keokuk Lee Louisa / Brien Osceola Palo Alto Plymouth / Lee Louisa Mahaska Van Buren Wapello / Buena Vista Cherokee / Shelby Woodbury / Clayton Delaware Dubuque Fayette Howard / Warren Wayne / Emmet Lyon O'Brien / Calhoun Carroll Crawford Greene Guthrie Harrison / Van Buren Wapello Washington / Marshall Polk Poweshiek / Tama Webster / Clay Dickinson Emmet Lyon / Fayette Howard Winneshiek / /