Rocks & Minerals of Wisconsin, Illinois & Iowa: A Field Guide to the Badger,
23,08 €
Introduction Important Terms and Definitions A Brief Overview of the Region's Geology Precautions and Preparations Dangerous Minerals and Protected Fossils Hardness and Streak The Mohs Hardness Scale Quick Identification Guide Sample Page Rocks and Minerals Found in the Region Glossary Regional Rock Shops and Museums Bibliography and Recommended Reading Index About the Authors
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