Conditions around the Margin of the Green Bay Lobe During the Height of the Wisconsin Glaciation Open-file report; contains unpublished data that has not yet been peer-reviewed. Surficial Geology Data and Resources WOFR1997-01 Conditions Around the Margin of the Green Bay Lobe During the Height of the Wisconsin Glaciation Clayton, Lee; Attig, J.W.; Mickelson, D.M.; 1997 Report: 38 p. Download Related Collections Open-File Report View Open-File Report