Glacial lake plains tend to be flat, almost featureless plains. The flatness is due to wave-beveling of the preexisting landscape, and infilling of low spots by lake sediments such as clay. The image below is of the Lake Saginaw plain near Saginaw.
This (below) is how the lakes looked about 13,500 years
ago.
This material has been compiled for educational use only, and may not be reproduced without permission. One copy may be printed for personal use. Please contact Randall Schaetzl (soils@msu.edu) for more information or permissions.