Washington & Oregon Rocks & Minerals is a regional field guide for identifying rocks, minerals, and geologic finds in Washington and Oregon. Keep it with hiking, camping, science, or nature supplies for quick reference while exploring the Pacific Northwest.

• Format: Book / field guide
• Region: Washington and Oregon
• Category: Books / Maps & Nature Reference
• Use for: rockhounding, nature study, travel, and outdoor learning
• ISBN/Barcode: 9781591932932