This terrific map details the western states and territories west of the Mississippi River. It is very finely engraved with remarkable detail throughout. The map shows a pivotal and fascinating period in America's westward expansion and state development. Washington extends to the Continental Divide and Oregon has the boundaries acquired in 1859 when it became a state. Idaho has a most unusual configuration containing all of Wyoming, but not its northern portion which is still part of Washington. The large Dakota Territory stretches from the Rocky Mountains at the Continental Divide and Minnesota far to the east. The large territory of New Mexico includes all of Arizona and part of Nevada, but Colorado has formed, removing the northern area from the territory. The oversized Utah Territory still owns a portion of Nevada with the boundary at 116°; this border will in two steps move to 114° ,where it is today. Okalahoma and its panhandle is named Indian Territory. Keyboard-style border surrounds.

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Condition: A

Near fine example with crisp, early impression and fine original hand coloring. A little marginal soiling, map is fine.