Rocks & Minerals Identification Guides

Arizona Rocks & Minerals

A Field Guide to the Grand Canyon State

Michigan Rocks & Minerals

A Field Guide to the Great Lake State

Lake Superior Agates Field Guide

Colorado Rocks & Minerals

A Field Guide to the Centennial State

Rocks & Minerals of Washington and Oregon

A Field Guide to the Evergreen and Beaver States

Minnesota Rocks & Minerals

A Field Guide to the Land of 10,000 Lakes

Rocks & Minerals of Wisconsin, Illinois & Iowa

A Field Guide to the Badger, Prairie & Hawkeye States

New York Rocks & Minerals

A Field Guide to the Empire State

Lake Superior Rocks & Minerals Field Guide

A Field Guide to the Lake Superior Area

Rocks, Gems, and Minerals

Rocks, Gems, and Minerals of the Southwest

Rocks & Minerals of the United States

Quick Guide

Rocks & Minerals of California

Your Way to Easily Identify Rocks & Minerals

Rocks & Minerals of the Pacific Coast

Your Way to Easily Identify Rocks & Minerals

Rocks and Minerals

An Illustrated Field Guide

Rocks and Rock Formations

A Key to Identification

Nature Guide Rocks and Minerals

The World in Your Hands

Lake Superior Agates

Your Way to Easily Identify Agates

Petoskey Stone

Finding, Identifying, and Collecting Michigan's Most Storied Fossil

Agates and Other Collectibles of the Pacific Coast

Your Way to Easily Identify Agates