Relief shown by hachures and spot heights.
Shows areas of Indian habitation and Indian reservations, military posts, tradings posts, settlements, and physical features for Nebraska, Dakota Territories, Minnesota, and northern portions of Kansas.
Includes notes and routes of explorers or survey parties.
In left upper margin: 35th Congress 1st Session. Printed by order of the U.S. Senate.
[Signed] "Engraving carefully revised, G.K. Warren, Lieut. Top. Engrs."