"Cascades Geology from the Top Down"
Photos from 2017 Annual Banquet Lecture by Past President Bo Nonn

Photos and text courtesy of Janet Rasmussen and Julia Lanning. 

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Dedicated to Pacific Northwest Geology since 1935

The Geological Society of the Oregon Country (GSOC) is a non-profit organization based in Portland, Oregon. The society is dedicated to the study of geology in the Pacific northwest and is open to persons with all levels of education and professional backgrounds.

Learn more about joining GSOC.