Adventure Publications
Arizona Rocks & Minerals: A Field Guide to the Grand Canyon State (Rocks & Minerals Identification Guides)
R 662
Falcon Guides
Rockhounding Oregon (Rockhounding Series)
R 1,357
Lorenz Books
The Illustrated Guide to Fossils & Fossil Collecting: A Reference Guide to Over 375 Plant and Animal Fossils from Around the Globe and How to Identify Them, with Over 950 Photographs and Artworks
R 1,539
Penguin
Collecting Rocks, Gems and Minerals: Identification, Values and Lapidary Uses
R 1,007
Falcon Guides
Rockhounding Washington (Rockhounding Series)
R 1,990
Falcon Guides
Rockhounding Utah (Rockhounding Series)
R 1,347
Falcon Guides
Rockhounding Nevada (Rockhounding Series)
R 1,169
Gem Guides Book Co
Gem Trails of Arizona
R 1,196
Adventure Publications
Rocks & Minerals of Washington and Oregon: A Field Guide to the Evergreen and Beaver States (Rocks & Minerals Identification Guides)
R 664
Firefly Books
The Firefly Guide to Minerals, Rocks and Gems
R 1,411