This book provides detailed directions and GPS coordinates to the best rockhounding sites in Washington, with valuable tips on what to tools to bring and how to

Guide and source-book with advice on observing and collecting gems and minerals in Washington.

Fully revised and updated, this book provides detailed directions and GPS coordinates to the best rockhounding sites in Oregon, with valuable tips on what tools

Completely updated and revised, this comprehensive collecting guide covers all four corners of the Evergreen State, from the misty shores of the Olympic peninsu

With this informative guide, you can explore the mineral-rich areas' of Delaware, Maryland, and Washington D.C., from the beaches to the mountains. It describes