Aaron Arrowsmith’s 1795 map

British possessions in America. Arrowsmith, Aaron Lowry Cadell. Library and Archives Canada

British possessions in America. Arrowsmith, Aaron Lowry Cadell. Library and Archives Canada
Historical Atlas of Canada


Arrowsmith, detail (redrawn)

Arrowsmith, detail (redrawn)
Historical Atlas of Canada

This remarkable map, on which Arrowsmith incorporated information from HBC manuscript maps and journals, Mackenzie’s explorations, and Vancouver’s meticulous survey of the northwest coast, represents a huge advance in geographic understanding. Although innumerable details remained to be filled in, henceforth the general shape of northwestern North America south of the Arctic was known.
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