Corridors of time
Subtitle: 1,700,000,000 years of Earth at Grand Canyon
By: panoramic photography and text by Ron Redfern ; ill. by Gary Hincks ; introd. by Carl Sagan.
Publisher: Times Books
Published: 1980
Place of publication: New York
Language: eng
Number of pages: 198
Subjects: Geology -- Arizona -- Grand Canyon National Park.; Geology -- Colorado Plateau.; Grand Canyon National Park (Ariz.)
Notes: Bibliography: p. 194-195.
Includes index.