Rockhounding Montana, 2nd: A Guide to 91 of Montana's Best Rockhounding Sites (Rockhounding Series)

Rockhounding Montana: A Guide to 100 of Montana's Best Rockhounding Sites (Rockhounding Series)

Rockhounding Idaho: A Guide to 99 of the State's Best Rockhounding Sites (Rockhounding Series)

Rockhounding Nevada, 2nd: A Guide to the State's Best Rockhounding Sites (Rockhounding Series)

Rockhound and Prospector's Bible: A Reference and Study Guide to Rocks, Minerals, Gemstones and Prospecting

Collecting Agates and Jaspers of North America

Collecting Rocks, Gems and Minerals: Identification, Values and Lapidary Uses

Rockhounding Utah, 2nd (Rockhounding Series)

Rocktionary

The prospector's field-book and guide in the search for and the easy determination of ores and other useful minerals

Collecting Rocks, Gems & Minerals: Easy Identification - Values - Lapidary Uses (Warman's Field Guide)