Private Farmland Auction for Alberta J. Smith and the Estate of Leonard O. Mullnix. The S½ of the NE¼)of Section 24, Township 86 North, Range 11, of Benton County, Iowa. Primary entrance is on 22nd Avenue. Average unadjusted CSR2 72.62. The property contains 80 gross acres m/l consisting of 77.18 tillable acres, approximately 1 acre of right of way and 1.82 acres of non crop (waterway).