Alberta History: West Central Alberta; 13,000 years of Indian History, Pt.3a: 1840-A continuation of the Alberta History Series, Part 3a, 1840 1860. The period from 1840 to 1870 was a period of great changes in the human history of Alberta and among the Native people, with the transition from the traditional hunting trapping fur trade lifestyle to a Frontier Settlement culture. 1840 1860 saw both a continuing invasion of foreign aliens into the west, and the growth of the Indian culture into the Classical Plains Indian culture. Both