Geology of the North Cascades

* Explains the geologic natural history of the North Cascades
* Appeals to hikers who are fascinated by the region, as well as amateur geologists
* Authors are both geologists with the US Geological Survey

Composed of everything from volcanic island arcs and deep ocean sediments, to parts of old continents and even pieces of the deep subcrustal mantle of the earth, Washington''s North Cascade region ...