This region of the upper plains, noted for Mount Rushmore and the Wild West town of Deadwood, experienced a gold rush in the 1870s.
In 1900 there were seven cities having 3000 or more inhabitants: Sioux Falls with 10,266; Lead, 6210;6210; Yankton, 4125; Aberdeen, 4087; Mitchell, 40J5; Deadwood, 3498; and Waterton, 3352.1 1 In 1905, according to a state census, there were nine cities with 3000 or more inhabitants, showing some changes in order of size: In 1906 the total number of communicants of different religious denominations in the state was 161,951, of whom 61,014 were Roman Catholics, 45,018 Lutherans, 16,143 Methodists, 8599 Congregationalists, 7055 Protestant Episcopalians, 6990 Presbyterians and 6198 Baptists.
The judicial department consists of the supreme court, circuit courts, county courts, justices of the peace, and police Sioux Falls, 12,283; Lead, 8052; Aberdeen, 5841; Mitchell, 5719; Watertown, 5164;5164; Deadwood, 4364; Yankton, 4189; Huron, 3783;3783; Brookings, 3265.
The Norwegian Lutherans have a normal school at Sioux Falls, and the Roman Catholics have schools of higher grade at Sioux Falls, Deadwood and Aberdeen.
Deadwood formation 900 ft.