Commercial Cartography
Buried within a small, leather-bound memorandum book that’s part of the Hudson’s Bay Company materials at the William L. Clements Library lies a two-page map, charted circa 1779 by John Thomas of London, depicting a consequential but nonexistent waterway connecting Lake Superior with Hudson’s Bay. The search for this fictitious waterway led to the aggressive expansion of the HBC. Read on to learn more.
