Geology of Devil's Lake

This is about the geology along the bluffs and rim aat Devil's State Park in Wisconsin. I cover the Precambrian to the Quaternary along the 4.4 mile (7.1km) loop. the elevation change is about 565 feet (~172.2m). Here’s the geologic map of Devil’s Lake: http://nebula.wsimg.com/45b9227bed958...