Gros Morne National Park, Newfoundland and Labrador

This photograph, taken in Gros Morne National Park on Newfoundland, shows a wide U-shaped valley that was formed by erosion from repeated advances of glaciers from the Newfoundland ice sheet.

Source: Geological Survey of Canada, photograph number 2002-089. Reproduced with the permission of the Minister of Public Works and Government Services Canada, 2005 and courtesy of Natural Resources Canada, Geological Survey of Canada.