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Montana Hodges
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Rockhounding Washington: A...
Lars W. Johnson
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Rockhounding Southern...
Montana Hodges
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Rockhounding Idaho: A Guide...
Garret Romaine
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Rocks and Minerals
Chris Pellant
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Rockhounding New Mexico: A...
Martin Freed,
Ruta Vaskys
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Rockhounding Pennsylvania and...
Robert Beard
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Rockhounding Utah: A Guide to...
William A Kappele,
Gary Warren
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Rockhounding New England: A...
Peter Cristofono
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Rockhounding Montana: A Guide...
Montana Hodges
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Rockhounding Nevada: A Guide...
Gary Warren (Revised by),
William A Kappele
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Geology Lab for Kids: 52...
Garret Romaine
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A Rock Is Lively
Dianna Hutts Aston
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Rockhounding Virginia: A...
Robert Beard
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Geopedia: A Brief Compendium...
Marcia Bjornerud,
Haley Hagerman (Illustrator)
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Field Guide to Rocks &...
Bruce Cairncross
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Disneyland on the Mountain:...
Greg Glasgow,
Kathryn Mayer
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Rockhounding Colorado: A...
William A Kappele,
Gary Warren (Revised by)
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Rocks, Gems, and Minerals of...
Garret Romaine
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Principles of Igneous &...
Anthony R Philpotts
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Rockhounding Delaware,...
Professor Robert Beard
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Basic Rockhounding and...
Garret Romaine
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Rocks, Gems, and Minerals of...
Garret Romaine
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Notes from Deep Time: A...
Helen Gordon
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