Fine example of Lizars 4 sheet map of America.

The map shows the progress towards finding the Northwest Passage, Russian America (Alaska), a massive area in Western Canada called "Indian Countires), and a separately named Texas.

Among the more curious features, West Florida runs to the Mississippi River and Missouri Territory is shown extending to the Pacific Ocean and a mythical river extends from San Francisco to "Salt L."

In the southern Hemisphere, the first outlines of the Antarctica are taking shape, as are the independent nations of South America.