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Get the perfect guide to rocks and minerals in the Heartland! The book features comprehensive entries for 96 rocks and minerals of Wisconsin, Illinois and Iowa, from common rocks …
A field guide to rocks and minerals of Washington and Oregon, featuring photos and details needed for identifying and collecting.
Get this must-have guide for New York, featuring full-color photographs and information to help you identify rocks and minerals. Identify and collect rocks and minerals with the …
This must-have guide for Michigan, Minnesota, Wisconsin, and Ontario features full-color photographs and information to help readers identify rocks and minerals. Get the perfect …