This must-have guide for Michigan, Minnesota, Wisconsin, and Ontario features full-color photographs and information to help readers identify rocks and minerals

Beginner or expert, this is your guide to Lake Superior Agates. The book features four pages of photos and facts for every type of agate found in Michigan, Minn

The definitive book on Lake Superior's agates is here. If you're a casual rock collector, you will find Agates of Lake Superior fun, interesting and beautiful.

Focusing on agates and agate imposters of the Lake Superior region, this tabbed booklet features detailed photographs and need-to-know information that helps re

Get this must-have guide for Michigan, featuring full-color photographs and information to help you identify rocks and minerals. Identify and collect rocks and