Roadside Geology of OregonWhen the first edition of Roadside Geology of Oregon was published in 1978, it was revolutionarythe first book in a series designed to educate, inspire, and wow nongeologists. Back then, the implications of plate tectonic theory were only beginning to shape geologic research and discussion. Geologists hadnt yet learned that Oregons Klamath and Blue Mountains were pieces of far traveled island arcs and ocean basins that had been piled against the