A beautiful French edition of Tirion's 1754 map of the Americas. The maps are identical except that a highly decorated scrollwork and floral cartouche has replaced Tirion’s plain cartouche. A Northwest Passage is shown through North America, beginning at the Great Lakes and ending in a large river emptying into the Pacific at about 50 deg. N. latitude. Notes on the map highlight the Russian discoveries in Alaska in 1743 and the possible existence of Quivira and Teguaio in the western US. Engraved by Jean Lattre.

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Condition: A

Issued folding, now flattened on paper with a bunch of grapes coat of arms watermark, a few minor spots, and marginal soiling.