Copper engraved map showing the continent just before the push for westward expansion filled in the topographical details in the West. The discoveries of the Lewis & Clark expedition are noted, but the Great Basin remains incorrectly mapped. Texas and the Southwest still belong to Mexico with the entire Southwest named New California. The western boundary between the United States and Canada is left undesignated but the region of present day Oregon, Washington and British Columbia is labeled New Georgia. The west coast from Alaska (Russian Territory) to Oregon is labeled, New Norfolk, New Cornwall, New Hanover, and New Albion. West of the Mississippi River are the enormous territories of Arkansas and Missouri.

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Condition: A

Uncolored issued. Folding, now flattened. A light offset line in lower margin and one small, diffuse foxing mark at extreme lower right corner, still very good.