This book describes how canyons are formed, their geology and climate, how scientists study canyons, and the effects of tourism and environmental damage.
General Note
Title proper from title frame.
Includes glossary.
Book description - 64 p. : col. ill. ; 24 cm.
Content Note
How are canyons formed? - Canyon geology and climate - How scientists study canyons - The effects of tourism and environmental damage - Glimpses into the earth's history.