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Jennifer Billock
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Rock Collecting for Kids: An...
Dan R Lynch
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Michigan Rocks & Minerals: A...
Dan R Lynch,
Bob Lynch
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Rockhounding New England
Peter Cristofono
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Rockhounding Arizona
Gerry Blair
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Rockhounding Utah
William A Kappele
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Gemstone Tumbling, Cutting,...
Jim Magnuson
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Rockhounding New Mexico: A...
Martin Freed,
Ruta Vaskys
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Rockhounding Northern...
Montana Hodges
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Gold Panning the Pacific...
Garret Romaine
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Fossils for Kids: An...
Dan R Lynch
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Rocks and Minerals
Torrey Maloof
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Geopedia: A Brief Compendium...
Marcia Bjornerud,
Haley Hagerman (Illustrator)
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Under Michigan: The Story of...
Charles Ferguson Barker
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Northwest Treasure Hunter's...
Kathy J Rygle,
Stephen F Pedersen
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Southwest Treasure Hunter's...
Kathy J Rygle,
Stephen F Pederson
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Rockhounding Nevada: A Guide...
Gary Warren (Revised by),
William A Kappele
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Essentials of Igneous and...
B. Ronald Frost,
Carol D. Frost
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Rockhounding Washington
Lars W. Johnson
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Rocks and Minerals
Chris Pellant
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Rockhounding Alaska
Montana Hodges
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Igneous Rocks and Processes:...
Robin Gill
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Rockhounding New York
Professor Robert Beard
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Discover Nature in the Rocks
Rebecca Lawton,
Diana Lawton
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