Door County's Emerald Treasure: A History of Peninsula State ParkThe Driftless Area is the land the glaciers missed, an ancient landscape of bluffs, ridgetops, and steep valleys that long ago was a seabed. Covering much of southwestern Wisconsin, its contours were deeply carved from bedrock, not by ice but by many rivers. Crossing the Driftless is both a traveler's tale and an exploration of this dramatic environment, following the streams of geologic and human history. Lynne Diebel and her husband, Bob, crossed