 Sanford covers a large section of western Minnesota, the Dakotas, Iowa, Nebraska, and other states. Marshfield is in northern and western Wisconsin and on Michigan's Upper Peninsula. Minnesota Attorney General Keith Ellison's office scrutinized the earlier proposed mergers, which did not come to pass, and a spokesman says of this latest plan that they, quote, will be reviewing the proposed transaction. Bill Werner reporting. Top executives say the combined system will be named Sanford and headquartered in Sioux Falls.