A map of America between latitudes 40 and 70 north and longitudes 45 and 180 west exhibiting Mackenzie's track from Montreal to Fort Chipewyan & from thence to the north sea in 1789 & to the west Pacific Ocean in 1793.
"... Published 15 Oct. 1801 ..."
Relief shown by hachures.
Available also through the Library of Congress Web site as a raster image.
Mackenzie, Alexander, 1764-1820.
Library of Congress