The crossword solution for the term 'Sioux City Site' is 'Iowa', which is a state located in the Midwestern United States. It is bordered by Minnesota to the north, South Dakota to the west, Nebraska to the southwest, and Missouri and Illinois to the east. Sioux City is a city located in the northwest corner of Iowa, on the Missouri River. It is the fourth-largest city in the state and serves as the county seat of Woodbury County.