Want more details on last spring's Snake River trip? Idaho Geological Survey Lewiston Basin field trip guide is now available.

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Dean Garwood and Roy Breckenridge of the Idaho Geological Survey at University of Idaho have released their beautifully illustrated Lewiston Basin Field Trip Guide documenting our spring field trip to the Snake River area. Additional photos taken by trip organizer Dave Olcott and GSOC master photographer Julia Lanning are here.

Recommended Hell's Canyon Book: Tracy Vallier's Islands & Rapids

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Recommended Hell's Canyon Book: Tracy Vallier's Islands & Rapids

A potential downside to any GSOC field trip is information overload. At every stop and around every bend, our expert guides tell us far more than we can possibly store in our brains. That's what books are for — and for our recent Lewiston trip, the book to read is Islands and Rapids by Tracy Vallier. Our trip guide Keegan Schmidt recommended it as the best book on Hell’s Canyon available....

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Spring Field Trip to Lewiston Basin & Snake River

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Spring Field Trip to Lewiston Basin & Snake River

Dave Olcott led this Spring's field trip to Lewiston Basin during the week of April 30th, 2014. Keegan Schmidt gave the orientation on Wednesday April 30th at Lewis & Clark State College. Dean Garwood, and Roy Breckenridge of the Idaho Geological Survey at University of Idaho have documented the trip in their beautifully illustrated Lewiston Basin Field Trip Guide.

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