The western quarter contains several large lakes and sandy lake plain interspersed with small areas of ground moraine. Average annual precipitation is 30 to 32 inches. Annual snowfall is 140 inches in the west near Lake Michigan and only 70 inches at the eastern edge of the sub-subsection. Limestone, dolomite, and gypsum are locally exposed and mined. Rolling to moderately sloping groundmoraine topography.
Drumlins are common on the ground moraine of the eastern threequarters.
Readvancing glaciers sculpted the southeastwardtrending drumlin fields. Individual drumlins are typically separated by poorly drained outwash. The western quarter contains several large lakes and large areas of lake plain interspersed with small ground moraine deposits. Small areas of exposed limestone bedrock are common in the ground moraine, and karst topography is also present. The ground moraine is broken by a broad outwash channel west of the town of Hawks.