Relief shown by hachures.; Below scale: "Rand McNally & Co.'s sectional map of South Dakota."; In lower right margin: "539 C".; In lower left margin: "Copyright by Rand McNally & Co."; In upper right corner: list of Board of Railroad Commissioners members. (Estimated publication date based on board members' tenures.) 53 x 82 centimeters Scale approximately 1:760,320; 1 inch = 12 miles. General Map Collection