Finding Fossils Along U.S. Freeways 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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Finding Fossils Along U.S. Freeways

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Finding Fossils Along U.S. Freeways

Finding Fossils Along U.S. Freeways

Finding Fossils Along U.S. Freeways

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  • Transcript

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.

Johnson and Troll speak with Andrea Seabrook.

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