Nelson Ham, associate professor of Geology, will present "Ice Age Puzzle: The Kettle Moraine of Eastern Wisconsin" as part of the St. Norbert College Distinguished Lecture Series on Saturday, April 14 at 9:00 a.m. at the Door Community Auditorium in Fish Creek. All lectures are free and open to the public. Ample parking, including handicapped, is adjacent to the auditorium.

Ham's presentation will trace mid to late 19th century scientific theory regarding the origin of the Kettle Moraine. The Kettle Moraine of Eastern Wisconsin