The Black Hawk Purchase, which can sometimes be called the Forty-Mile Strip or Scott's Purchase,The Black Hawk Purchase extended along the West side of the Mississippi River from the North boundary of Missouri North to the Upper Iowa River. The Upper Iowa River is in the northeast corner of Iowa. Therefore this tract extended from Missouri nearly to Minnesota. It was fifty miles wide at the ends, and forty in the middle, this has to do with why it's sometimes called the "Forty-Mile Strip". The land, originally owned by the Sauk, Meskwaki (Fox), and Ho-Chunk (Winnebago) Native American people, was acquired by treaty following their defeat by the United States in the Black Hawk War. After being defeated the Sauk and Mesquakie to relinquish another 2.5 million hectares or (6 million acres), and give up their rights to plant, hunt, or fish on the land The purchase was made for $640,000 on September 21, 1832 and was named for the chief Black Hawk, who was held prisoner at the time the purchase was completed. The Black Hawk Purchase contained an area of some 6 million acres (24,000 km²), and the price was equivalent to 11 cents/acre (26 $/km²). The region is bounded on the East by the Mississippi River and includes Dubuque, Fort Madison, and present-day Davenport.