Fox Along the North Shore: Geological History of the Waterfalls
DULUTH, Minn — Along the North Shore of Lake Superior, there are numerous waterfalls, each with their own beauty and awe. Despite their unique appearance, they share a common history in how they were formed starting over a billion years ago. “So, we had about 1.1 billion years ago there was a major event. It’s now known as the mid-continent…