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Roadside Geology of Washington (Roadside Geology)
Roadside Geology of Washington - Roadside Geology Author:David D. Alt, Donald W. Hyndman The geology of Washington is a story of islands -- micro-continents -- coming in from the sea. Two hundred million years ago most of Washington consisted of two large islands, each one a scrap of continent, lying somewhere in the vastness of the Pacific Ocean. One after the other they docked onto the North American continent, each adding its dis... more »tinctive bit to the complex geologic and geographic mosaic of western North America.« less
This is a great series of books. Each one covers basic geology in the intro, so you don't need to have a background to enjoy these books. The geology of several major by-ways in Washington is covered. Great for the kids in a car trip.