American Antiquity, vol. 77, no. 1, January 2012, pp. 99-114
Description
Findings indicate relatively diverse backgrounds with little gene flow between the two groups, each presumably having arisen from relatively distant common ancestry.
Native Studies Review, vol. 1, no. 1, 1984, pp. 40-66
Description
Argues that the changes during this period were largely a result of transitioning from the fur trade, to an economy that was more diversified and commercialized.