Lake Superior Agates Field Guide
by Dan R. Lynch & Bob Lynch
from the backcover:
For the beginner or expert, the guide to Lake Superior Agates. Identify your finds quickly and easily with this all-in-one resource! Incredible, sharp, full-color photos. Four pages of photos and facts for every type of agate found in Michigan, Minnesota, Wisconsin, and southern Ontario. Easy-to-use format.
6" x 4.5"