Gold Panning California is the premiere reference source for anyone who is interested in getting ...

Rocks, Gems, and Minerals of the Rocky Mountains is a field guide to more than 130 of the most co...

Rocks, Gems, and Minerals is a field guide to more than 100 of the most common and sought-after r...

Dig in and learn about the Earth under your feet. Little Learning Labs: Geology for Kids features...

Dig in and learn about the Earth under your feet. Geology Lab for Kids features 52 simple, inexpe...

Rocks, Gems, and Minerals of the Southwest is a field guide to more than 100 of the most common a...

Rocks, Gems, and Minerals of the Southwest is a field guide to more than 100 of the most common a...

Dig in and learn about the Earth under your feet. Super Fun Geology Activities for Kids features ...

Gold Panning Colorado is the premiere reference source for anyone who is interested in getting st...

Basic Rockhounding and Prospecting is aimed at anyone who is interested in learning the basics of...

Rocks, Gems, and Minerals is a field guide to more than 100 of the most common and sought-after r...

This volume gives you the basic tools to transition from “pebble pup” to expert rockhound and exp...