At the Bottom of Lake Huron, an Ancient Hunting Ground

Deep beneath the waves of Lake Huron, researchers may have found evidence of a Paleo-American culture that lived in the Great Lakes region. Archaeologists used sonar and robotic explorers to examine about 28 square miles of the lake bottom, and found what may be the remnants of a caribou hunting ground; they hope further studies will reveal ancient settlements. Says study coauthor John O'Shea: