by Kirk Johnson and Ray Troll
Paperback, 204 pages, Consortium Book Sales & Dist, List Price: $29.95 | purchase
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November 24, 2007 Geologic pressures force ancient layers of rock above ground, exposing their cargo of fossils. Paleontologist Kirk Johnson and artist Ray Troll search the western United States for fossils and chronicle their finds in a new book, Cruisin' the Fossil Freeway.
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