Alberta History - The Old North Trail (Cree Trail), 15,000 Years of Indian History; 1820-1850Volume 3 in the history of the North Trail from New Mexico to Northern Alberta, covering the 30 years (1 generation) from 1820 1850. This period saw changes along the north trail that set the stage for the history of Alberta and western Canada as we know it thanks to the unexpected results of an action by the Hudson's Bay Company. Blackfoot power and dominance began to subside in both the north and south of the trail, while the Mountain Cree now