Agate Hunting on the Oregon Coast: A Guide to the 40 Best Agate Hunting Sites

Rockhounding for Beginners: Your Comprehensive Guide to Finding and Collecting Precious Minerals, Gems, Geodes, & More

Utah's Greatest Wonders: A Photographic Journey of the Five National Parks

The Practical Geologist: The Introductory Guide to the Basics of Geology and to Collecting and Identifying Rocks

Smithsonian Handbooks: Rocks & Minerals (Smithsonian Handbooks) (DK Smithsonian Handbook)

Rockhounding Northern California: A Guide to the Region's Best Rockhounding Sites (Rockhounding Series)

Petoskey Stone: Finding, Identifying, and Collecting Michigan’s Most Storied Fossil

Rocks & Minerals of California: Your Way to Easily Identify Rocks & Minerals (Adventure Quick Guides)

Basin and Range (Annals of the Former World, 1)

Rockhounding Wyoming: A Guide to the State's Best Rockhounding Sites (Falcon Guides)