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Description

A Remarkable Colorado River Depiction

Scarce double hemisphere map of the world, dated 1809.

The map reflects the recent discoveries of Georg Vancouver (the entire west coast of North America is labeled "Vancouver's Disco[veries]") and Flinders (Van Diemen's Land now being shown separated from Australia).

One very unusual features is the depiction of the Colorado River north to more or less the area of the Columbia River.