Wyniki wyszukiwania:

This book helps you to explore the over three billion years of geologic history exposed along the roadside of the Upper Peninsula. The high peaks, rolling hills, valleys, waterfalls, and Lake Superior itself tell a long tale of deep oceans, mountain building, and volcanic activity. All of this happened half a billion years or more before the first person set eyes on Lake Superior. The authors and editors of this book explored the many roadsides and parks of the Upper Peninsula in order to guide you. The book is in full color and there are over fifty stops that will help you identify bedrock...