A wide variety of nonrenewable commodities of economic interest to mining and oil companies occurs in northern Yukon Territory and western District of...
Hughes, O. L., Detail of varves east end of Twin Falls dam, abrupt increase upward in thickness of varves., Natural Resources Canada Photo Collection #...
Hughes, O. L., End of Twin Falls dam on Abitibi River, varved clays in background and in foreground pillow lava with glacial striae., Natural Resources Canada...
Hughes, O. L., Terracettes formed by slumping of Cochrane till and underlying Pleistocene deposits. East side of Frederick House River, 0.8 mile above Canadian...
Hughes, O. L., Glacio-fluvial sand overlain by Cochrane basal till (dark) and Cochrane ablation till (lighter coloured) at top of section. From the west side...
During its maximum extent, the Late Wisconsinan Laurentide Ice Sheet buried the study area under approximately 600 m of ice. The Hyndman and Travaillant...