An interesting map showing a very transitional United States as it expands towards the Pacific Ocean in the middle of the 19th century. A detailed map of the northern United States is inset in the left of the main map. Michigan, Wisconsin and Arkansas are territories with the Upper Peninsula of Michigan belonging to Wisconsin. The large Missouri Territory extends to the Canadian border and west to the boundary of Oregon Territory that encompasses the present-day states of Oregon, Washington and Idaho. Texas is named as a Spanish province and a note above the Red River mentions that the "desert is traversed by herds of Buffaloes & wild Horses & inhabited only by roving bands of Indians." A detailed key in the lower right notes various sizes of cities, universities, missionary stations, Indian villages, trading houses and forts.

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Condition: B

Original color with light soiling, moderate offsetting, and a centerfold separation at bottom that extends 1.5" into the image that has been closed on verso with archival tape.