Washington & Oregon Rocks & Minerals

incredible, sharp, full-color photos: the authors know rocks, and they took their own photographs to depict the detail needed for identification—no need to guess from line drawings • comprehensive entries: photos and facts for 124 rocks and minerals • organized in three sections: rocks and minerals common to both Washington and Oregon, those found specifically in Washington, and rocks and minerals found only in Oregon • common rocks and rare finds: fascinating information about everything from jasper and thunder eggs to gold and petrified wood • easy-to-use format: quickly find what you need to know and where to look