Bøger af Bob Lynch

This guide contains everything you need to know about Lake Superior's agates.

Get the perfect guide to rocks and minerals of the Grand Canyon State! The book features comprehensive entries for 106 Arizona rocks and minerals, from common rocks to rare finds. The easy-to-use format means you''ll quickly find what you need to know and where to look, while the authors'' photographs depict the detail needed for identification - no need to guess from line drawings. With this field guide in hand, identifying and collecting can be fun and informative.