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Terrestrial Origins and Evolution
The Buitreraptor gonzalezorum quarry. The holotype specimen was extracted in an 800-pound block of sandstone that took 10 days to extract using a rock-saw and chisels. The picture shows Field Museum preparator Jim Holstein (left) and Argentine paleontologist Pablo Gallina at work. Temperatures soared above 100? F on most days. Fieldwork was supported by NASA, The Jurassic Foundation, and Michael and Jacqueline Ferro of Chicago.
Photo by Peter Makovicky, Courtesy of The Field Museum
01/14/09

 



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