Extinctions : Living and Dying in the Margin of Error
Michael Hannah
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Extinctions : Living and Dying in the Margin of Error
Michael Hannah
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The Memory of Stone : Meditations on the Canyons of the West
Erv Schroeder
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The Planet in a Pebble : A journey into Earth's deep history
Jan Zalasiewicz
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Discover Nature in the Rocks : Things to Know and Things to Do
Susan Panttaja
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Southwest Treasure Hunter's Gem and Mineral Guide (5th ed.) : Where and How to Dig, Pan and Mine Your Own Gems and Minerals
Kathy J. Rygle
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Rockhounding Alaska : A Guide to 75 of the State's Best Rockhounding Sites
Montana Hodges
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Rockhounding Pennsylvania and New Jersey : A Guide to the States' Best Rockhounding Sites
Robert Beard
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Remnants of Ancient Life : The New Science of Old Fossils
Dale E. Greenwalt
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Tracking the Golden Isles : The Natural and Human Histories of the Georgia Coast
Anthony J. Martin
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The Dinosaurs Rediscovered : How a Scientific Revolution is Rewriting History
Michael J. Benton
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Rockhounding New York : A Guide to the State's Best Rockhounding Sites
Robert Beard
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Rockhounding Utah : A Guide to the State's Best Rockhounding Sites
William A. Kappele
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