Get this must-have guide for Colorado, featuring full-color photographs and information to help you identify rocks and minerals. Identify and collect rocks and minerals with the perfect guide to the Centennial State! With this famous field guide by Dan R. Lynch and Bob Lynch, field identification is simple and informative. The book features comprehensive entries for 115 rocks and minerals, from common rocks to rare finds. That means you’re more likely to identify what you’ve found. The authors know rocks and took their own full-color photographs to depict the detail needed for identification—no more guessing from line drawings. The field guide’s easy-to-use format helps you to quickly find what you need to know and where to look. Inside you’ll find: 115 specimens: Only Colorado rocks and minerals Quick Identification Guide: Identify rocks and minerals by color and common characteristics Range/occurrence maps: See where each specimen is commonly found Professional photos: Crisp, stunning images Colorado Rocks & Minerals includes beautiful photography, relevant information, and the authors’ expert insights. With this book in hand, identifying and collecting is fun and informative!