








Discover
Discover the geologic history of the northeastern United States!
The goal of "Here on Earth" is to eventually explain the Earth science of every region in the United States. More regions will be added regularly.
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Explore
Explore our free, open-access "Digital Encyclopedia of Earth Science" textbook.
Chapters about minerals and climate change are online now. More chapters are coming soon.
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Investigate
Investigate our interactive Virtual Fieldwork Experience programs and discover why a place looks the way it does. We offer a range of tools to help you experience Earth science online.
Investigate Now
