grand canyon (ariz.)

"An exploration of the Grand Canyon"--Provided by publisher.

". . . readers will learn about how the . . . Colorado River carved the Grand Canyon. They'll be able to closely study the mile-high walls and layered rocks that reveal the geological history of this national treasure"--Provided by publisher.

"Explore the Grand Canyon's layers from the nearly 2-billion-year-old rocks of the Pre-Cambrian Era to the few formations of the Mesozoic Era. Learn about the different kinds of rock that make up the canyon and how the Colorado River carved them into the majesty of the Grand Canyon today. Additional features include a diagram labeling each of the layers, Fast Facts, a phonetic glossary, an index, an introduction to the author, and further sources for learning"--Provided by the publisher.

"An exploration of the Grand Canyon"--Provided by publisher.

Details the area's biology and geology, introduces the variety of plant and animal communities that reside there, and spells out theories of the canyon's origin and the role played by the Colorado River.

Describes the geology, evolution, and beauty of the Grand Canyon by leading the reader down the Bright Angel Trail.

Provides comprehensive information on the geography, history, wildlife, peoples, and environmental issues of the Grand Canyon.