Our present days are an amalgam of all of our yesterdays: the past is prelude. That adage couldn’t be more true with respect to Ohio’s geologic history. Nearly the entire state felt the cold crush of mile-deep glacial ice pushing on the land.
The evidence is all around you in the moraines, the low long ridges in southwest Ohio; the grooves etched in stone on Kelleys Island; the open, pleasant till plains seemingly laid flat as a skillet.
