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MAS Lecture | Prehistoric Archaeology at 120: Exploring Lake Huron’s Alpena-Amberley Ridge

John M. O'Shea, University of Michigan
Thursday, November 21, 2019
7:30-9:00 PM
Kelsey Museum of Archaeology Map
The Alpena-Amberley Ridge (AAR) is a unique geological feature that bisects the modern Lake Huron basin. During the Lake Stanley low water phase (10,000–7500 cal BP), the AAR formed a dry land corridor linking northeastern lower Michigan with south-central Ontario. Archaeological explorations of the AAR have demonstrated that it was a focus of early human activity during Lake Stanley times. Stone hunting structures preserved on the AAR are among the oldest dated examples on the planet and the lithic industry is unlike anything known in the Great Lakes region. The range of hunting and fishing activities is likewise novel and unlike contemporary sites on land.

This talk describes both the techniques of underwater research that the University of Michigan team has developed for investigating these submerged sites and summarizes some of the most recent findings surfacing from the research.

This lecture is sponsored by the Michigan Archaeological Society.
To learn more about the MAS, please visit

If you are a person with a disability who requires an accommodation to attend this lecture, please contact the education office (734-647-4167) as soon as possible. We ask for advance notice as some accommodations may require more time for the University to arrange.
Building: Kelsey Museum of Archaeology
Event Type: Lecture / Discussion
Tags: Anthropology, Archaeology, Lecture, Prehistory
Source: Happening @ Michigan from Kelsey Museum of Archaeology, Kelsey Museum of Archaeology Lectures