While this map bears a copyright date of 1850, it was published in 1854 with the imprint of Cowperthwait, Desilver & Butler next to the title. Development is mostly confined to the southern and eastern regions bordering the Mississippi and St. Croix rivers. The large regions to the west are labeled Pembina and Blue Earth. The map locates many Indian tribes including the Assiniboine, Yanktonan, and Chippeway and shows the the large area recently ceded by the Dakota Indians along with the newly established Dakota Reserve. Along the Missouri River a number of forts are located and named including Aux Cedres, Lookout, Pierre Choteau, Clarke, and Mandan (noted as the wintering place of Lewis and Clarke in 1804-05). Surrounded by a decorative border.

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Condition: A

Full contemporary color with a narrow, but adequate, bottom margin which has a small spot.