Series of 43 page-size maps showing the chronology of the last glaciation’s advances and retreats across Wisconsin. Includes a brief discussion about how the maps were made, how lake positions were determined, as well as a list of selected references.
Large downloads come in ZIP archives. You will need an application capable of unpacking ZIP archives, such as WinZIP, WinRAR, or 7-zip.
Contact one of our experts for an answer from a real, live geologist.
3817 Mineral Point Road
Madison, Wisconsin 53705-5100