The park scientists Gila monsters, geysers, and Grizzly bears in America's own backyard

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...

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Bibliographic Details

Main Author:	Carson, Mary Kay
Other Authors:	Uhlman, Tom
Format:	Books Print Book
Language:	English
Published:	Boston : Houghton Mifflin Harcourt, [2014]
Series:	Scientists in the field.
Subjects:	Park rangers > United States > Juvenile nonfiction. Park naturalists > United States > Juvenile nonfiction. Interpretation of cultural and natural resources > United States > Juvenile nonfiction.
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