Photograph showing a glacial geography class on a field trip to Two Rivers, Wisconsin. Shown are (top row, left to right) Durand, Butz, Anderson, Gansen, Melcher, (middle row, left to right) Bott, Murphy, Crownhart, Shoemaker, Fisher, O’Dea, Mueller, (bottom row, left to right) Dickenson, Trewartha, Lobeck, Thwaites, and Wood.