Corridors of time
Subtitle: 1,700,000,000 years of earth at Grand Canyon
By: panoramic photography and text by Ron Redfern ; illustrations by Gary Hincks ; introduction by Carl Sagan.
Edition: Reader's digest ed.
Publisher: Times Books
Published: 1983
Place of publication: [New York]
Language: eng
Number of pages: 195
Subjects: Geology -- Arizona -- Grand Canyon National Park; Geology -- Colorado Plateau; Grand Canyon National Park (Ariz.)
Notes: Bibliography: p. 194-195.
Includes index.