Yukon—Mackenzie River Yukon—Mackenzie River Yukon—Mackenzie River was a federal electoral district in Canada that was represented in the House of Commons of Canada from 1949 to 1953. It covered the Yukon Territory, and the southwestern part of the Northwest Territories. This riding was created in 1947, and was only used in the 1949 federal election. The Northwest Territories had not been represented in the House of Commons since 1905 following the creation of Alberta and Saskatchewan two years earlier. Yukon had been represented continuously since a byelection in January 1903. It was abolished in 1952 when it was redistributed into Mackenzie River
Melville Island (Northwest Territories and Nunavut) deposits. The island was believed to have deposits of coal and oil shale since the first half of the 20th century. The first Canadian Arctic island exploratory well was spudded in 1961 at Winter Harbour. It drilled Lower Paleozoic strata to a total depth of . In the 1970s, the northern portion of the island on the east side of the Sabine Peninsula proved to contain a major gas field, known as Drake Point. The lease was owned by Panarctic Oils, a joint operation with the Canadian Government. Melville Island (Northwest Territories and Nunavut) Melville Island is an uninhabited island