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stephen f pedersen
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The treasure hunter's gem & mineral guides to the U.S.A
Kathy J. Rygle, Stephen F. Pedersen · Gem Guides Book Company
150 sayfa · 1999
Collection and preservation / Precious stones / Guidebooks / Minerals / Minéraux
Southeast Treasure Hunter's Gem and Mineral Guide
Kathy J. Rygle, Stephen F. Pedersen · Gemstone Press
184 sayfa · 2006
Minerals, collection and preservation / Precious stones / United states, guidebooks
Northeast Treasure Hunter's Gem and Mineral Guide : Where and How to Dig, Pan, and Mine Your Own Gems and Minerals
Kathy J. Rygle, Stephen F. Pedersen · Gemstone Press
192 sayfa · 2006
Minerals, collection and preservation / Precious stones / United states, guidebooks
