This second edition of the leading book on Grand Canyon geology contains the most recent discoveries and interpretations of the origin and history of the canyon

Perfect for the first-time visitor or the seasoned traveler. Includes sections on the geologic records, regional geology, plate tectonies and the Colorado River

* Part of the popular Hiking Geology series * Appendices cover additional geologic information for the non-geologist * Everything needed to plan the trip, inclu

The classic geological study of the Grand Canyon, commissioned by the fledgling U.S. Geological Survey, is admired today as much for its literary qualities as f