Northwest Treasure Hunter's Gem & Mineral Guides to the U.S.A.
Subtitle: Where and How to Dig, Pan and Mine Your Own Gems & Minerals
Edition: 4 edition
Publisher: Gemstone Press
Published: April 2008
Language: eng
Format: Paperback
ISBN-13: 9780943763552
Subjects: Rocks & Minerals; Nature; Nature/Ecology