Pleistocene Geology of Southern Wisconsin Field trip guide with special papers by R.F. Black, N.K. Bleuer, F.D. Hole, N.P. Lasca, and L.J. Maher, Jr., 1970, 175 p. Surficial Geology Data and Resources IC15 Pleistocene Geology of Southern Wisconsin Black, R.F.; Bleuer, N.K.; Hole, F.D.; Lasca, N.P.; Maher, L.J., Jr.; 1970 Report: 175 p. Download Related Collections Information Circular View Information Circular