Precious : The History and Mystery of Gems Across Time
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Impossible Monsters : Dinosaurs, Darwin and the War Between Science and Religion
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Beautiful Rocks and How to Find Them : A Modern Rockhound's Guide
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Sasol First Field Guide to Gemstones of Southern Africa
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Sasol First Field Guide to Gemstones of Southern Africa
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Biostratigraphic and Geological Significance of Planktonic Foraminifera
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A Sea without Fish : Life in the Ordovician Sea of the Cincinnati Region
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Horned Armadillos and Rafting Monkeys : The Fascinating Fossil Mammals of South America
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Rockhounding California : A Guide to the State's Best Rockhounding Sites
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New York Rocks & Minerals : A Field Guide to the Empire State
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Wills' Mineral Processing Technology : An Introduction to the Practical Aspects of Ore Treatment and Mineral Recovery
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The White River Badlands : Geology and Paleontology
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British Seashells : A Guide for Collectors and Beachcombers
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Rockhounding Idaho : A Guide to 99 of the State's Best Rockhounding Sites
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