4 Mackenzie’s Voyages of tribes of Indians that scoured the plains in the wake of vast herds of buffalo, Again in 1771 the company dispatched Samuel Hearne to search for the Coppermine River, which, after three attempts and long and weary wanderings along the edge of the ‘“‘barren lands,” he finally discovered, and explored to within sight of the Arctic sea. As the result of his three journeys, a number of lakes and rivers were added to the map, such as Clinton-Colden, Great Slave, Artillery, Dubawnt, and Yath-Kyed Lakes, and the Coppermine, Dubawnt, Kazan, and Seal Rivers, and numerous others of lesser importance, - Matthew Cocking, a factor of York House, was sent inland in 1772 to the Saskatchewan to counteract the encroachments of ‘Thomas Curry and James Finlay, two adventurous “‘pedlars” from Montreal, who upon the withdrawal of the French were the first to go into the country west of the Great Lakes, They had in that year intercepted a great part of the Fort York trade on its way to the sea. Incidentally it might be mentioned that it was not until 1774 that the Hudson’s Bay Company established a post away from their home bases, when Cumberland House was built by Samuel Hearne on the Lower Saskatche- wan in a strategic position which commanded the whole of the north-west interior. It will be observed that the Hudson’s Bay Company made no use of the knowledge of the country brought to them by their explorers, until forced to action by the in- dependent Montreal traders. Kellsey’s journey, if it was ever made, and some authorities doubt it, was presented with such a lack of definiteness as to be valueless so far as any geographical information contained in it was concerned. Anthony Hendry’s story of his journey along one of the 1 See note at end of chapter.