![[Lands west of the Mississippi, 1750].](https://quod.lib.umich.edu/cgi/i/image/api/thumb/wcl1ic/8698/WCL008769/!250,250)
[Lands west of the Mississippi, 1750].
Pencil tracing showing the West from the center of the lower peninsula of Michigan to the Rocky Mountains.; Map traced in 1790 by Armstrong from western portion of J.N. Bellin's Carte de la Louisiane et des pays voisins ...; Enclosed with letter of Armstrong to Harmar of June 2, 1790, in which he describes the map and says that he traced it while at St. Louis.
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