Situated on the western edge of the state near the Nebraska border, this vast zone stretches from Sioux City in the north down to the southern state line. It is home to a strong deer population known for its impressive genetics. The landscape is primarily made up of privately owned croplands, interspersed with mature hardwood forests, and features a variety of creeks, rivers, reservoirs, and wetlands. In recent years, this unit has yielded several record book bucks, with notable entries coming from counties such as Harrison, Ida, Monona, Pottawattamie, and Woodbury.