This well engraved map is an early example of Young's notable map. This edition has county development limited to the extreme southern and eastern portions of the territory, reflecting a date circa 1851. The large region in the west is labeled Pembina, while the large southern area is named Blue Earth, the rarest configuration in this series of maps. Within Pembina is the large SALT WATER REGION and a notation discussing the brackish Minni Wakan Lake. A small area along the Minnesota River is Dakota Reserve, an early mention of the area's future name. Settlement is almost exclusively along the Mississippi River. Many Indian tribes are located, including the Assiniboine, Yanktonan, Chippeway, Mennomonees, Winebagoes, etc. Forts along the Missouri River include aux Cedres, Lookout, Pierre Choteau, Clarke, and Mandan (noted as the wintering place of Lewis and Clarke in 1804-05). Fancy titling and decorative borders. This detailed and interesting map documents the early stages of development of Minnesota and the Dakotas. At bottom is a description of the Sioux Treaty of 1851.

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Condition: B+

The map image is near fine with bright, early impression and original hand coloring. The lower margin is close and into the imprint below the neatline, as issued.