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Kathy J. Rygle
Kathy J. Rygle & Stephen F. Pedersen combine their scientific training with a hobbyist's passion. Lifelong rockhounds, both authors have shared this hobby—begun with their parents—...показать большеKathy J. Rygle & Stephen F. Pedersen combine their scientific training with a hobbyist's passion. Lifelong rockhounds, both authors have shared this hobby—begun with their parents—with their children, and have traveled to many "fee dig" sites, museums and mine tours across the United States.показать меньше
Книги автора Kathy J. Rygle
Southeast Treasure Hunter's Gem & Mineral Guide (6th Edition): Where & How to Dig, Pan and Mine Your Own Gems & Minerals