CHAPTER XV.
VOYAGES OF SIR ALEXANDER MACKENZIE.
A young Highlander--To rival Hearne--Fort Chipewyan built--French Canadian voyageurs--Trader Leroux--Perils of the route--Post erected on Arctic Coast--Return journey--Pond's miscalculations--Hudson Bay Turner--Roderick McKenzie's hospitality--Alexander Mackenzie--Astronomy and mathematics--Winters on Peace River--Terrific journey--The Pacific Slope--Dangerous Indians--Pacific Ocean, 1793--North-West Passage by land--Great achievement--A notable book 124