106 Sir ALEXANDER MACKENZIE swamps, and climbed over high passes. Its windings made its length more than three hundred miles. Guides were essential, and their fickle friend from the Fraser River soon would go no further. Fortunately now the natives were numerous and not unfriendly, and, except for one short gap, they were able to secure temporary guides from each party of Indians to lead them to the next band. The section of Mackenzie’s journal in which he describes the fourteen days of this overland march, toilsome as it was, is the most vivid and interesting part of the book. The mode of travel, the natives, the scenery, all were new to him, and he was certain that every step was taking him nearer to the attainment of his supreme desire. Before leaving their canoe they had to conceal everything which they could not carry with them. They made two secret caches of their most valuable supplies—gunpowder, pemmican, corn, and wild rice—and put the rest in a strong log enclosure; the canoe they placed on a stage, well shielded from the sun. They were heavily laden: each of the voya-