The first Northwest Passage

When Alexander Mackenzie arrived in Canada, he had very little money in his pocket. Within a very few years he was a prosperous fur trader with headquarters on remote Lake Athabasca. And it was from this vantage point that he made two great exploring expeditions, one to the Arctic Ocean, and the other over the Great Divide, and down other streams to the Pacific--having discovered the first canoe route to the Western Sea.