Ancient Sauk, Ojibway and Winnebago cosmology: Myth, mounds and artifacts : a theory of native American ancestoral [sic] diffusion : the cosmology of the ... Indian mounds and copper artifacts
The purpose of this study is to establish an ancient historical Native American trade system within the midwestern United States and beyond. The theory presented herewithin is presented as a hypothesis to serve as a basis from which an exchange of ideas can occur to justify the existence of ancient artifacts found in the United States