1749129
9780943763378
Kathy J. Rygle combines her 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.Rygle, Kathy J. is the author of 'Treasure Hunter's Gem & Mineral Guides to the U.S.A. Northwest States Where & How to Dig, Pan, and Mine Your Own Gems & Minerals', published 2003 under ISBN 9780943763378 and ISBN 0943763371.
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