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Rockhounding Oregon: A Guide...
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Rock and Gem: The Definitive...
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My Awesome Field Guide to...
Gary Lewis
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The Pocket Book of Stones:...
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Rockhounding Idaho: A Guide...
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Where Is the Grand Canyon?
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Pocket Genius: Rocks and...
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A Rock Is Lively
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The Ultimate Guide to Sea...
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Lake Michigan Rock Picker's...
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Rocks & Minerals of Wisconsin...
Dan R Lynch,
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Rockhounding for Beginners:...
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Where Is Mount Everest?
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Science Comics: Rocks and...
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Geology for Kids: A Junior...
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Rockhounding Northern...
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Gemstone Tumbling, Cutting,...
Jim Magnuson
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Rockhounding Colorado: A...
William A Kappele,
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Basin and Range
John McPhee
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Rocks, Gems and Minerals: A...
Paul R Shaffer,
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Leslie Moclock,
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