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Bright orange, white, and light green lichen coats Lake Michigan (USA) shoreline rock. Green plants with the outlines of the leaves in orange and red are to the left of the rock.

A Different Way to Discover

Did you know you can now do map-based searching for our online content? Start here and try it out today!

Renewal Season Is Here

Have a 2024 subscription? Renew for 2025. Not a already a subscriber? Consider becoming one. Our Online-only Geology price hasn't increased and all subscriptions come with permanent rights to the corresponding year's content. Contact subs@geosociety.org with questions.

FEATURED: Enduring Wonders, our 2025 calendar, is available for purchase

 

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