' 70 Sir ALEXANDER MACKENZIE the Athabaska region. He had discovered one of the great rivers of the world, from source to mouth the longest in North America after the Mississippi. He had proved that it was possible to live on the country while travelling rapidly, even in the most barren of the inhabited regions of the earth. He had trained himself as an explorer, and had demonstrated his ability as a leader. Furthermore, his fail- ure to reach the Pacific by the Mackenzie River had created in him a stern resolve that go there he should by another route. A great fur-trader he continued to be, but he was now, until the fulfilment of his desire, an explorer above all. Mackenzie spent the winter of 1789-90 at Fort Chipewyan with his cousin; it was a good season for furs, and the returns were admirable. In the spring he went to Grand Portage to attend an important meeting of the partners of the Company, at which a newagree- ment was reached to last until the end of 1798. After this reorganization there were ten part- ners, holding among them twenty shares; Mackenzie held two shares. The leading