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Julie the Rockhound
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Questions Galore Party Game...
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Geopedia: A Brief Compendium...
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Rocks and Minerals
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Cairns: Messengers in Stone
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The Power of Crystals:...
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Collector's Guide to the...
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Minerals of Georgia: Their...
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Rockhounding Delaware,...
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Wills' Mineral Processing...
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Crystal Wisdom: Unearthing...
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Healing Springs: The Ultimate...
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Rockhounding New York: A...
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Rockhounding Wyoming: A Guide...
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Fossils
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Gem Trails of Colorado
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Earth Treasures, Vol. 1:...
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Plant Fossil Atlas from ...
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Introduction to Optical...
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