Collections
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Bargain Books: Public Science Books at 30% Off
Our public science bargain books are new and unread, but show minor...
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California
The Golden State's dynamic geology reflects powerful tectonic forces, active faults, volcanoes,...
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Cave and Karst Week 2026
https://en.wikipedia.org/wiki/List_of_caves_in_the_United_States https://en.wikipedia.org/wiki/List_of_karst_areas June 1 - 7
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Children's & General Interest
Books for geologists and public scientists young and old. Discover weird rocks,...
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Connecticut
The Constitution State's rocks record hundreds of millions of years of continental...
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Cordilleran Section
The Cordilleran Section is the oldest of GSA's sections. It was formally...
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EarthCache Products
EarthCache swag and commemorative items. An EarthCache is a special type of...
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Field Guides
Since 1999, Field Guides are written for field trips held at GSA's...
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Field Trips
Gain firsthand geological knowledge by attending GSA's fascinating and educational field trips....
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First-time Markdowns 2026
Find a bargain! Below you'll find out newest markdowns. Looking for more...
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Geology Rocks!
This colorful series has brief one-page descriptions of individual sites that introduce...
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Geology Underfoot
These books inform and enlighten, no matter how much—or how little—geology you...
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GSA Ebooks
Electronic versions of many GSA publications, delivered as a downloadable product.
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GSA Gifts & Apparel
Celebrate your love of geology with gifts and apparel from The Geological...
