Boats of the Mackenzie River watershed carrier business in 1947. The last steam-propelled sternwheelers, the "S.S. Distributor" and "S.S. Mackenzie" were retired around the same time. In later years, with the construction of the Mackenzie Highway from Alberta to Great Slave Lake, the importance of the Athabasca-Slave River route dwindled and NTCL operations were based from shipyards in Hay River after 1959. NTCL became the primary water operator in the Mackenzie River watershed with the purchase of Hudson's Bay Company's fleet and equipment in 1958, and the total buyout of Yellowknife Transportation Company in 1965 including its fleet of diesel tug boats. Other small commercial operators
Mackenzie River (electoral district) meridian in the system of Dominion Land surveys, and on the north by the continental shore of the Arctic Ocean. Mackenzie River (electoral district) Mackenzie River was a federal electoral district in Northwest Territories, Canada, that was represented in the House of Commons of Canada from 1953 to 1963. This riding was created in 1952 when Yukon—Mackenzie River riding was split into two. The parts within the Northwest Territories became Mackenzie River riding. It was abolished in 1962 when it was merged into Northwest Territories riding. It consisted the Provisional District of Mackenzie bounded on the west by the Yukon