Yukon—Mackenzie River and Yukon ridings. It consisted of the Yukon Territory and the part of the District of Mackenzie in the Northwest Territories lying west of the 109th meridian west longitude. The remainder of the District of Mackenzie, as well as the Districts of Keewatin, Franklin and Ungava, had no representation until 1962. 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
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