Describes the geographical characteristics of canyons, explains how they are formed, identifies typical plants and animals found in canyons, and examines what it would be like to live in the Grand Canyon.
By following clues from a dream and taking photographs of endangered wilderness areas, eleven-year-old Sarah and a Native American environmentalist try to prevent the commercial development of a southwestern canyon.
This book explains how canyons are formed, how the are studied, and what they teach us about the history of the earth by revealing the geologic layers of the planet's.
Profiles the Grand Canyon, Windjana Gorge, Fish River Canyon, and seven other significant canyons around the world, describing their origins, history, and structure.
Describes the formation of canyons by weathering and erosion as well as by wind and waves forming ocean canyons. Also discusses the stages of a river valley and the variety of plants and creatures who live in them.
