County names and boundaries, towns and cities, status of public land surveys, locations of U.S. land offices, military and Indian reservations, national forests, and railroad lines. Standard Published, South Dakota, 1910. Lands designated by the Secretary of the Interior Under the provisions of the Enlarged Homestead Act. Edition of June 30, 1916. 1 inch to 24 miles.
Areas designated are shaded red.
Also shows public land surveys. Post Route Map of the State of South Dakota showing post offices with the intermediate distances on mail routes in operation on the 1st of January, 1917. 1 inch to 10 miles. Frequency and types of mail service, discontinued post offices, counties, towns, railroads, physical features, and parts of adjoining States. Compiled from the official Records of the General Land Office .