This is an SDE polygon feature class containing named Woodfordian moraines, or Wisconsinan end moraines, of Illinois. Scale is 1:500,000. The primary source for the data is ISGS Bulletin 94, Pleistocene Stratigraphy of Illinois, Willman and Frye, 1970. Most of the Woodfordian sublobes left a succession of moraines, indicating a pulsing retreat of the ice. The data include the name of each moraine.