This book describes weathering and erosion and discusses how weathering and erosion have shaped valleys, canyons, and arches.
General Note
Title proper from title frame.
Includes index.
Includes glossary.
Content Note
Changing land - Water and air - Breaking rock - Plants and animals - Washed away - A flow of ice - Blowing in the wind - Canyons and arches - Erosion problems - Signs of change.