David Thompson (1770-1857) is considered by many to have been the most important surveyor of North America. His achievements -- mapping the Saskatchewan River, the great bend of the Missouri River,... This description may be from another edition of this product.
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Americas Atlases & Maps Biographies Business & Investing Canada Canadian Classics Ethnic & National Expeditions & Discoveries First Nations General Historical History Modern (16th-21st Centuries) Native American Native American Studies Politics & Social Sciences Social Sciences Specific Demographics Travel World Writing