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9780878422920
Your complete guide to the state's rich and varied mineral, gemstone, and fossil sources. In Colorado, rockhounds may pick agate and petrified wood from the vast Great Plains, follow dinosaur tracks on hogback ridges, pan gold in mountain streams, hunt gVoynick, Stephen M. is the author of 'Colorado Rockhounding A Guide to Minerals, Gemstones, and Fossils' with ISBN 9780878422920 and ISBN 0878422927.
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