551pp. Octavo [23.5 cm] Blue cloth with the title gilt stamped on the backstrip. The jacket is price-clipped, otherwise very good/very good. Complete with all four fold-out maps. Hakluyt Society: Extra Series, No. 41. Alexander Mackenzie's fame and importance rest securely upon two remarkable journeys of exploration carried out in 1789 and 1793. The starting point of both was Fort Chipewyan, a trading post of the North West Company on Lake Athabasca, in what is now northern Alberta. On the first expedition he discovered and explored the Mackenzie River and followed it to the Arctic Ocean. On the second he crossed the Rocky Mountains, discovered the Fraser River, and became the first white man to cross the full width of North America. Literally and figuratively he added new dimensions to knowledge of two vast areas of the continent.