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Tracing made ca. 1850 by historian Pierre Margry from 1673 manuscript map by explorer Jacques Marquette

Tracing made ca. 1850 by historian Pierre Margry from 1697 map by French royal geographer Jean Baptiste Louis Franquelin. Based on information supplied by fur trader Pierre-Charles Le Sueur, who explored the Mississippi River valley between 1683-1701.

ca. 1850 Tracing made by historian Pierre Margry from ca. 1675 manuscript map variously attributed to explorer Louis Joliet and royal geographer Jean Baptiste Louis Franquelin.