title: Status of the Pleistocene Wisconsin Stage in Central North America.
abstract: A brief review of the history of the Wisconsin Stage in Pleistocene stratigraphy and of research since 1950 shows that post-Sangoman glacial drift older than the Wisconsin drift reported in the older literature is present in central North America. Known and possible stratigraphic positions of the relevant units are shown.
authors.forename: R F
authors.initials: RF
authors.lastname: Flint