Uncommon map of the heart of French Louisiana covering the Mississippi River valley and extending from Santa Fe in the west to the Appalachian Mountains in the east. The Great Lakes, with Fort Detroit, are shown with numerous portages linking them to rivers flowing into the Mississippi River. West of the Mississippi is Lahontan's Grande Riviere nearly connecting with the Belle Riviere purportedly forming the long sought Northwest Passage. Numerous forts, trading posts, Indian villages and mines are located along the rivers. Title in decorative cartouche.

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Condition: B

Crisp impression with a bit of very faint foxing, else very good. Folds as issued with a couple of tiny separations in blank margins.