What a Rock Can Reveal: Where...
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Rocks, Fossils & Arrowheads
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Rockhounding Colorado: A...
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Handbooks: Gemstones: The...
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Gemstone Tumbling, Cutting,...
Jim Magnuson
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Rock Collecting for Kids: An...
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Agate Hunting on the Oregon...
M J Grover
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National Geographic Reader:...
National Geographic Kids
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Science Comics: Rocks and...
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Rockhounding Montana: A Guide...
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Delta-V
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My Awesome Field Guide to...
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Where Is Mount Everest?
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Rocks and Minerals
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Absolute Expert: Rocks &...
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Southeast Treasure Hunter's...
Kathy J. Rygle
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National Geographic Readers:...
Kathleen Weidner Zoehfeld
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National Geographic Kids...
Kathleen Weidner Zoehfeld,
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Nature Guide: Rocks and...
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The World in a Grain: The...
Vince Beiser
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Geopedia: A Brief Compendium...
Marcia Bjornerud,
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Exotic Gems: Volume 1 -- How...
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Rocks and Minerals
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Gem Trails of Arizona
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