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The park scientists : Gila monsters, geysers, and Grizzly bears in America's own backyard (Scientists in the field)

by Carson, Mary Kay.

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The national parks have been called "America's best idea" -- and some of the best scientific ideas are happening right now inside these protected American spaces that welcome more than 270 million visitors each year. Meet up with scientists studying geysers, grizzlies, salamanders, cacti, and firefl... Full description


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Series: Scientists in the field (Houghton Mifflin)