Results for "Allen, John Eliot"

Cataclysms on the Columbia tells two stories. One follows geological research that challenged the scientific paradigm of the early 20th century, and the other chronicles the result of that research: the discovery of powerful prehistoric floods that shaped the Pacific Northwest. The cataclysms at the...

Read More about Cataclysms on the Columbia: The Great Missoula Floods (Openbook)

* 90 hikes, many off the beaten path
* Appendices list hikes by rock age, collectible minerals or fossils present, and more; plus a new illustrated section on rock identification

Visit tropical islands sequestered in the Wallowa Mountains, ancient volcanoes in the depths of Hells Canyon, and...

Read More about Hiking Oregon's Geology (Hiking Geology)