Principles Of Sedimentology And Stratigraphy, 5/E

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

The Complete Crystal Handbook: Your Guide to More than 500 Crystals

Nature Guide: Rocks and Minerals: The World in Your Hands (DK Nature Guides)

Rockhounding Nevada: A Guide to The State's Best Rockhounding Sites (Rockhounding Series)

Colorado Rocks & Minerals: A Field Guide to the Centennial State (Rocks & Minerals Identification Guides)

Rockhounding Colorado: A Guide to the State's Best Rockhounding Sites (Rockhounding Series)

Rock and Gem (Rock & Gem)

Agate Hunting Made Easy: How to Really Find Lake Superior Agates

Lake Superior Agates: Your Way to Easily Identify Agates (Adventure Quick Guides)