Lake Michigan  search
BTNorth America
 .Great Lakes
 ..Lake Michigan
RTUnited States
 Illinois
 Indiana
 Wisconsin
 Michigan
 Green Bay
 Wedron Formation
SNIndexed with states as applicable.
Lake Michigan Basin  search
USEMichigan Basin
Lake Michigan Lobe  search
RTCanada
 Great Lakes region
 Illinois
 Indiana
 Laurentide ice sheet
 Michigan
 United States
 Wisconsin
SNPart of Laurentide ice sheet, Wisconsinan glaciation.