1. Entrance, west of Fifth Meridian, Alberta Yale Public content 1946. 2012-06-29T13:03:21Z. 2012-06-29T13:03:21Z. Geological Survey of Canada. Canada Dept. of Mines and Resources, Mines and Geology Branch, Bureau of Geology and Topography. English. Public. Alberta, Entrance Region, and Athabasca River Region.