The Early Woodland period in Iowa
essay 1986 Tiffany, Joseph A.

Eastern Early WoodlandNorth America > Eastern Woodlands
Tiffany lists some Early Woodland sites commonly described for Iowa; all are multicomponent sites. The Ryan focus is described. It's traits are based on artifacts found in burial sites. Iowan ...

Models of Mississippian culture history in the western prairie peninsula
essay 1991 Tiffany, Joseph A./

MississippianNorth America > Eastern Woodlands
In this article Tiffany demonstrates that Middle Mississippian cultural traits in Iowa are the results of diffusion and contact, perceived by the author as part of various local groups' partic...